{"id":4103,"date":"2026-02-11T19:15:17","date_gmt":"2026-02-11T11:15:17","guid":{"rendered":"https:\/\/www.go2posts.com\/fr\/case-study-use-case-diagram-for-a-food-delivery-platform\/"},"modified":"2026-02-11T19:15:17","modified_gmt":"2026-02-11T11:15:17","slug":"case-study-use-case-diagram-for-a-food-delivery-platform","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/fr\/case-study-use-case-diagram-for-a-food-delivery-platform\/","title":{"rendered":"\u00c9tude de cas : Diagramme de cas d&#8217;utilisation pour une plateforme de livraison de nourriture"},"content":{"rendered":"<p><em>Mod\u00e9lisation des exigences du monde r\u00e9el avec UML \u2013 Un guide pratique<\/em><\/p>\n<hr\/>\n<h2><strong>1. Introduction<\/strong><\/h2>\n<p>Dans le d\u00e9veloppement logiciel moderne, <strong>les diagrammes de cas d&#8217;utilisation<\/strong>sont un outil fondamental pour capturer les exigences fonctionnelles du point de vue de l&#8217;utilisateur. Cette \u00e9tude de cas pr\u00e9sente une analyse d\u00e9taill\u00e9e d&#8217;un <strong>diagramme de cas d&#8217;utilisation r\u00e9aliste<\/strong>pour une <strong>plateforme de livraison de nourriture<\/strong>, en utilisant <strong>la syntaxe PlantUML<\/strong>comme langage de mod\u00e9lisation. L&#8217;objectif est de d\u00e9montrer non seulement <em>quels<\/em>\u00e9l\u00e9ments sont utilis\u00e9s dans le diagramme, mais aussi <em>pourquoi<\/em>ils sont choisis \u2014 en mettant en \u00e9vidence <strong>les d\u00e9cisions de mod\u00e9lisation pratiques<\/strong>, <strong>les conventions<\/strong>, et <strong>les pi\u00e8ges courants<\/strong>.<\/p>\n<p>Cette \u00e9tude de cas sert \u00e0 la fois <strong>aux d\u00e9butants apprenant UML<\/strong>et <strong>aux praticiens affinant leurs pratiques de mod\u00e9lisation<\/strong>. Elle d\u00e9compose chaque \u00e9l\u00e9ment du diagramme, explique son objectif et discute des implications r\u00e9elles.<\/p>\n<hr\/>\n<h2><strong>2. Aper\u00e7u du syst\u00e8me<\/strong><\/h2>\n<p>La <strong>plateforme de livraison de nourriture<\/strong> est une place de march\u00e9 num\u00e9rique reliant :<\/p>\n<ul>\n<li><strong>Clients<\/strong> (particuliers commandant de la nourriture),<\/li>\n<li><strong>Restaurants<\/strong> (fournisseurs de repas),<\/li>\n<li><strong>Livreur<\/strong> (personnel de livraison),<\/li>\n<li><strong>Passerelles de paiement externes<\/strong> (syst\u00e8mes tiers g\u00e9rant les transactions).<\/li>\n<\/ul>\n<p>La plateforme permet aux utilisateurs de parcourir les restaurants, de passer des commandes, de suivre les livraisons, de g\u00e9rer les paiements et d&#8217;appliquer des promotions. Le syst\u00e8me s&#8217;int\u00e8gre \u00e0 des services externes tels que les processeurs de paiement et ne g\u00e8re pas la logique de paiement en interne.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/VLLBRjim4Dq7y1q6tZG5R7TV645Skosw268qBRAUa2EP24KA91NN_G2zGs_OatHeYehaoDLECs_U_9v6rpwW2qsb9nV-KPaQ7LPGMMF5pjcA8BY6-Yw_GsdtofHGeFRicbneAW842qwLkm1IEH91MHDThs2bDQ08rdb0Ho2fK8Oas2Pu9Pb-Hn3nQ4hDP4Sah1iVEBVBxzFFL2eVo75Wzaq1FR1z1CiTDGvDWBk0HT42ip7ZDauzzQAsUAY8GxRE2lBU9lxM-l4-zjAL2TCFrahOa8uK1zXg38LrrHH-H1pmS_dEsRsdNbx_klKmMX3SEaakcxuu58z3qmqQB0bko3JPj1A2wW1lk4Qguom70MqrGsFRJUuZcpzvtyJQYiR8ZhskzI6sNrbOMqdP_fMxk4UjgOjUevEdZ1jLge2wHVQyoSyou9aAXL4N7lx-_iDYY1C2uIpN5rNmOBaQT8SKaTSAwPdFh_upqvuCEl3BCO-XXfFFk4v07UxbEiPGPpUKGfBa0FezdQuj8JlTzP3Zknn3dgmthq0PeHj98pA4nM8a0QFUmdBPXbrTFJFHjq16ZX41B1UB4J4bgXGNcKRLcM9xWaiz3IDp3IKPSgZLTqotvWpZp_byNB5de6U5_AizPyTpCKmEbtm9RJvfZEraTkGS7Ad9XR61sbDfY_w50NZFNJh3sUls6fKOQ8_7J-BoBZXLqon6R57FO2KFP6QykWLdvE509EuIFDZ06ME6yI_xjewLSwhuBLh3WFsE320ySLiI1ED0UU0YujKT9hZc5_vX_0C0\"\/><\/p>\n<p>Code PlantUML :<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TLHBRjim4DqRy1q6tjG1R7TV64PSkosw268qBRAUY2EP24KA91NN_G2zGs_OatH67qUIxILdtdlpvss8w6EPc_4eF6jReCSSScTTilSk9uY-fAuhx56vWxOPf6W2kyOZGsc4wC3hR1z1QKz9rCwAwmsiZG5CelC1q1CeIhKb1QwCGIkMtnC87crcMAn2mgOCaMFxzZtvGfaEaJmJMzy4C03RBs2vejAZZV0GCKqRO6jiSLklNpgi7HvpOihEkuH2SBL-O_tqABMSqeJ9H-SKRCc8n15s1cFgV3w1duARllVk4AWJCzombL49mRrNvENvrMFo_FgyGuiPmHtPKfxh9A4YmblEXmhfsmdOH7qrD1ctkOhfSmYbn4zBgogreZ17AIrti76AnFQDCtn4OwXYRD2hhi9MPpgYQH0TJpLIxa-YKMOSuD-VlpnOgHWIxpWFcUYJuyZeZ-DHEnwOprTmkJET8TQeVgVEtFtE2U0qyChVR-NGUxMpur6z4ZLisERnwBGBJP9dRHy01aEGnccRc5BHO1bWiRYW1-zWkMm8grNDf--Hh1hIbui5d8-uujS4eP_hLxJE5Wm84YyZInwD_e7rFLyG-JMVmzdsN85TNQhVpLvLfzWF2bF-PLpxNTnq5ghIx7q0uv5raPfloANTw_t0TNdBiOlcpZECT41UqEb3zBgWcQ1tQ6QmLaUoCnxAWgDnCq14J-9FBd8qKRzqLVU5vCnXv2gSPVTXJnOGNhWW1GcZG0VW1EGlwylVyeE_uVy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZLNDZXCn3BxdAQnUkfMsvOwgQYiElI1HiOiuPpEUDYAJp3f9OGL8N3dp4jldc3VXIN3cf-qECmkd9exz-RFzZNlZWwGG2oFy9srBIRA0mbcdzkGAX40HBrxyNcRkixOxoANnA8J1F41mG7gt3v1fGXMqiq9CuSv53mOzI1KmaWVlBBjKnrnRxG4jPBXtRCyYf31fTmO5Epk2DqQZ3Urbqjn0Mwz8Xmb83-znzzndYyJu5aq3nrL5ahPpxgwjzrjz8APqYYMdq7ksC2KefSO2sz2jV4pdpKSXJXmvmCY0kIDk40SOHfEQiwSBOIdz1BuASRMLf5maJNKNpfpyBBrnFe9e4PGh2capPEjjJCJwrarr94mWm5GY6zPAOHdOz0gsL1rvDEbPNiRK5VQDTqmpD4XTaMojVXOOGfsMIHRtJDbtR-koDFeXramPANM7PU7uvKFGHZSbGEc8su5H6uDrRGqs9o5GhAw_Z9S1O6F11QOiioIRjVTEQPbKvE7tZrzryt9JFQaz7mB90qyw0N5jER6aTFL4A5gDpEShUAdn9zrqdWDZwFaC3aMSDTLuzOVKV__tp4IhoiP_Q83YfCR6Pt2UFPyNfilDrbQPcE6m7c6n64a2hs6vR6DNgmI4NmBQR0HdkLZ0g9Hgh2QSeORJrG2ZYdkEm6HsrT7oE2IxrpeQG_qsdyEmMl_NVrJ8tnEFJOy7PDDc5yALZDxhymwSTVgjSvoNcx0kOBjSNNwnZPe-OqfxiRBgCP3bUTu6qYLUfuYjDDUmpXxHNlD45pF1VOA4swBVkn1SaU37F_TtPUAVjclw8gDDJdL2m-GVuhHpFt2j_CFQ1yyhKL_akk4Z_yty0G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\nskinparam monochrome true\nskinparam shadowing false\n\nleft to right direction\n\n' Tous les acteurs sont d\u00e9finis en dehors du rectangle\nactor Client\nactor \"Client inscrit\" as RegClient\nactor \"Personnel du restaurant\" as Restaurant\nactor Livreur\nactor \"Processeur de paiement\" as PaymentGW\n\nrectangle \"Plateforme de livraison de repas\" {\n\n(Parcourir les restaurants)\n(Passer une commande)\n(Suivre une commande)\n(G\u00e9rer le menu)\n(Accepter \/ Pr\u00e9parer la commande)\n(Livrer la commande)\n(Traiter le paiement)\n(\u00c9mettre un remboursement)\n(Appliquer un code promo)\n(Utiliser un portefeuille)\n(Paiement par carte)\n(Paiement par portefeuille num\u00e9rique)\n\n' Associations \u2013 les fl\u00e8ches traversent la fronti\u00e8re\nClient --&gt; (Parcourir les restaurants)\nRegClient --&gt; (Passer une commande)\nRegClient --&gt; (Suivre une commande)\n\nRestaurant --&gt; (G\u00e9rer le menu)\nRestaurant --&gt; (Accepter \/ Pr\u00e9parer la commande)\n\nLivreur --&gt; (Livrer la commande)\n\nPaymentGW --&gt; (Traiter le paiement)\nPaymentGW --&gt; (\u00c9mettre un remboursement)\n\n' include\n(Passer une commande) ..&gt; (Traiter le paiement) : &lt;&lt;include&gt;&gt;\n\n' extend\n(Passer une commande) &lt;.. (Appliquer un code promo) : &lt;&lt;extend&gt;&gt;\n(Traiter le paiement) &lt;.. (Utiliser un portefeuille) : &lt;&lt;extend&gt;&gt;\n\n' g\u00e9n\u00e9ralisation\n(Traiter le paiement) &lt;|-- (Paiement par carte)\n(Traiter le paiement) &lt;|-- (Paiement par portefeuille num\u00e9rique)\n}\n\n' G\u00e9n\u00e9ralisation d'acteur (aussi en dehors)\nClient &lt;|-- RegClient\n\nnote right of PaymentGW\nPasserelle de paiement externe\n(Stripe, PayPal, Adyen, ...)\nend note\n\nnote bottom of (Appliquer un code promo)\nOptionnel \u2013 uniquement lorsqu'un code valide est saisi\nend note\n\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ZLNDZXCn3BxdAQnUkfMsvOwgQYiElI1HiOiuPpEUDYAJp3f9OGL8N3dp4jldc3VXIN3cf-qECmkd9exz-RFzZNlZWwGG2oFy9srBIRA0mbcdzkGAX40HBrxyNcRkixOxoANnA8J1F41mG7gt3v1fGXMqiq9CuSv53mOzI1KmaWVlBBjKnrnRxG4jPBXtRCyYf31fTmO5Epk2DqQZ3Urbqjn0Mwz8Xmb83-znzzndYyJu5aq3nrL5ahPpxgwjzrjz8APqYYMdq7ksC2KefSO2sz2jV4pdpKSXJXmvmCY0kIDk40SOHfEQiwSBOIdz1BuASRMLf5maJNKNpfpyBBrnFe9e4PGh2capPEjjJCJwrarr94mWm5GY6zPAOHdOz0gsL1rvDEbPNiRK5VQDTqmpD4XTaMojVXOOGfsMIHRtJDbtR-koDFeXramPANM7PU7uvKFGHZSbGEc8su5H6uDrRGqs9o5GhAw_Z9S1O6F11QOiioIRjVTEQPbKvE7tZrzryt9JFQaz7mB90qyw0N5jER6aTFL4A5gDpEShUAdn9zrqdWDZwFaC3aMSDTLuzOVKV__tp4IhoiP_Q83YfCR6Pt2UFPyNfilDrbQPcE6m7c6n64a2hs6vR6DNgmI4NmBQR0HdkLZ0g9Hgh2QSeORJrG2ZYdkEm6HsrT7oE2IxrpeQG_qsdyEmMl_NVrJ8tnEFJOy7PDDc5yALZDxhymwSTVgjSvoNcx0kOBjSNNwnZPe-OqfxiRBgCP3bUTu6qYLUfuYjDDUmpXxHNlD45pF1VOA4swBVkn1SaU37F_TtPUAVjclw8gDDJdL2m-GVuhHpFt2j_CFQ1yyhKL_akk4Z_yty0G00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TLHBRjim4DqRy1q6tjG1R7TV64PSkosw268qBRAUY2EP24KA91NN_G2zGs_OatH67qUIxILdtdlpvss8w6EPc_4eF6jReCSSScTTilSk9uY-fAuhx56vWxOPf6W2kyOZGsc4wC3hR1z1QKz9rCwAwmsiZG5CelC1q1CeIhKb1QwCGIkMtnC87crcMAn2mgOCaMFxzZtvGfaEaJmJMzy4C03RBs2vejAZZV0GCKqRO6jiSLklNpgi7HvpOihEkuH2SBL-O_tqABMSqeJ9H-SKRCc8n15s1cFgV3w1duARllVk4AWJCzombL49mRrNvENvrMFo_FgyGuiPmHtPKfxh9A4YmblEXmhfsmdOH7qrD1ctkOhfSmYbn4zBgogreZ17AIrti76AnFQDCtn4OwXYRD2hhi9MPpgYQH0TJpLIxa-YKMOSuD-VlpnOgHWIxpWFcUYJuyZeZ-DHEnwOprTmkJET8TQeVgVEtFtE2U0qyChVR-NGUxMpur6z4ZLisERnwBGBJP9dRHy01aEGnccRc5BHO1bWiRYW1-zWkMm8grNDf--Hh1hIbui5d8-uujS4eP_hLxJE5Wm84YyZInwD_e7rFLyG-JMVmzdsN85TNQhVpLvLfzWF2bF-PLpxNTnq5ghIx7q0uv5raPfloANTw_t0TNdBiOlcpZECT41UqEb3zBgWcQ1tQ6QmLaUoCnxAWgDnCq14J-9FBd8qKRzqLVU5vCnXv2gSPVTXJnOGNhWW1GcZG0VW1EGlwylVyeE_uVy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705 <strong>Point cl\u00e9<\/strong>: Le diagramme se concentre sur <em>les interactions externes<\/em> \u2014 il montre ce que le syst\u00e8me <em>fait<\/em> pour ses utilisateurs et ses syst\u00e8mes, et non comment il est impl\u00e9ment\u00e9.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>3. \u00c9l\u00e9ments du diagramme : Analyse approfondie avec une signification pratique<\/strong><\/h2>\n<p>Voici une analyse d\u00e9taill\u00e9e de chaque \u00e9l\u00e9ment UML utilis\u00e9 dans le diagramme, accompagn\u00e9e d&#8217;une interpr\u00e9tation du monde r\u00e9el et d&#8217;une justification de la mod\u00e9lisation.<\/p>\n<table>\n<thead>\n<tr>\n<th>#<\/th>\n<th>\u00c9l\u00e9ment<\/th>\n<th>Notation<\/th>\n<th>Signification et objectif<\/th>\n<th>D\u00e9cision de mod\u00e9lisation \/ Commentaire<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>1<\/strong><\/td>\n<td><strong>Limite du syst\u00e8me<\/strong><\/td>\n<td><code data-backticks=\"1\">rectangle \u00ab Plateforme de livraison de repas \u00bb<\/code><\/td>\n<td>D\u00e9finit le <strong>p\u00e9rim\u00e8tre<\/strong> du syst\u00e8me mod\u00e9lis\u00e9. Tous les cas d&#8217;utilisation \u00e0 l&#8217;int\u00e9rieur font partie de ce syst\u00e8me.<\/td>\n<td>Le nom est concis mais descriptif. Dans les contextes d&#8217;entreprise, des noms plus longs (par exemple, \u00ab Syst\u00e8me de gestion des commandes clients \u00bb) peuvent \u00eatre utilis\u00e9s.<\/td>\n<\/tr>\n<tr>\n<td><strong>2<\/strong><\/td>\n<td><strong>Acteur humain principal<\/strong><\/td>\n<td><code data-backticks=\"1\">acteur Client<\/code>, <code data-backticks=\"1\">acteur Livreur<\/code><\/td>\n<td>Repr\u00e9sente <strong>r\u00f4les externes<\/strong> qui initient ou participent aux cas d&#8217;utilisation.<\/td>\n<td>Les noms sont simples et intuitifs. \u00c9vite les st\u00e9r\u00e9otypes inutiles comme <code data-backticks=\"1\">&lt;&lt;personne&gt;&gt;<\/code> sauf si n\u00e9cessaire pour de grands mod\u00e8les.<\/td>\n<\/tr>\n<tr>\n<td><strong>3<\/strong><\/td>\n<td><strong>Acteur avec alias<\/strong><\/td>\n<td><code data-backticks=\"1\">acteur \u00ab Personnel du restaurant \u00bb as Restaurant<\/code><\/td>\n<td>Permet de raccourcir un nom d&#8217;acteur plus long et descriptif pour plus de clart\u00e9 dans les connexions.<\/td>\n<td>Tr\u00e8s efficace lorsque les noms d&#8217;acteurs contiennent des espaces ou sont trop longs. R\u00e9duit l&#8217;encombrement et am\u00e9liore la lisibilit\u00e9.<\/td>\n<\/tr>\n<tr>\n<td><strong>4<\/strong><\/td>\n<td><strong>Acteur de syst\u00e8me externe<\/strong><\/td>\n<td><code data-backticks=\"1\">acteur \u00ab Processeur de paiement \u00bb as PaymentGW<\/code><\/td>\n<td>Mod\u00e9lise <strong>des syst\u00e8mes tiers<\/strong> avec lesquels la plateforme interagit.<\/td>\n<td>Aucun st\u00e9r\u00e9otype <code data-backticks=\"1\">\u00absyst\u00e8me\u00bb<\/code> est utilis\u00e9 \u2014 acceptable dans les diagrammes l\u00e9gers. Cependant, ajouter &#8220;<code data-backticks=\"1\">\u00absyst\u00e8me\u00bb<\/code> peut clarifier l&#8217;intention dans des syst\u00e8mes complexes.<\/td>\n<\/tr>\n<tr>\n<td><strong>5<\/strong><\/td>\n<td><strong>G\u00e9n\u00e9ralisation d&#8217;acteur<\/strong><\/td>\n<td>`Client &lt;<\/td>\n<td>\u2014 ClientInscrit`<\/td>\n<td>Indique qu&#8217;un <strong>client inscrit<\/strong>est une version sp\u00e9cialis\u00e9e d&#8217;un <strong>client invit\u00e9<\/strong>.<\/td>\n<\/tr>\n<tr>\n<td><strong>6<\/strong><\/td>\n<td><strong>Association ordinaire<\/strong><\/td>\n<td><code data-backticks=\"1\">Client --&gt; (Parcourir les restaurants)<\/code><\/td>\n<td>Montre que l&#8217;acteur <strong>d\u00e9clenche<\/strong>ou <strong>participe \u00e0<\/strong> le cas d&#8217;utilisation.<\/td>\n<td>Ligne pleine = communication. La direction est implicite de l&#8217;acteur vers le cas d&#8217;utilisation (pas besoin de fl\u00e8che).<\/td>\n<\/tr>\n<tr>\n<td><strong>7<\/strong><\/td>\n<td><strong>Relation \u00abinclure\u00bb<\/strong><\/td>\n<td><code data-backticks=\"1\">(Passer une commande) ..&gt; (Traiter le paiement) : &lt;&lt;inclure&gt;&gt;<\/code><\/td>\n<td><code data-backticks=\"1\">Traiter le paiement<\/code>est <strong>toujours requis<\/strong> lors de la passation d&#8217;une commande.<\/td>\n<td>La fl\u00e8che pointe <strong>de l&#8217;inclus vers l&#8217;inclus<\/strong>. Ceci est critique : <code data-backticks=\"1\">Passer une commande<\/code> <em>inclut<\/em> <code data-backticks=\"1\">Traiter le paiement<\/code> en tant qu&#8217;\u00e9tape obligatoire.<\/td>\n<\/tr>\n<tr>\n<td><strong>8<\/strong><\/td>\n<td><strong>Relation \u00abextend\u00bb<\/strong><\/td>\n<td><code data-backticks=\"1\">(Passer une commande) &lt;.. (Appliquer un code promo) : &lt;&lt;extend&gt;&gt;<\/code><\/td>\n<td>L&#8217;application d&#8217;un code promo est <strong>facultative<\/strong> et ne se produit que dans certaines conditions.<\/td>\n<td>La fl\u00e8che pointe <strong>de l&#8217;extension vers la base<\/strong>. Le cas d&#8217;utilisation de base (<code data-backticks=\"1\">Passer une commande<\/code>) peut \u00eatre \u00e9tendu <em>conditionnellement<\/em>.<\/td>\n<\/tr>\n<tr>\n<td><strong>9<\/strong><\/td>\n<td><strong>G\u00e9n\u00e9ralisation de cas d&#8217;utilisation<\/strong><\/td>\n<td>`(Traiter le paiement) &lt;<\/td>\n<td>\u2014 (Paiement par carte)<code data-backticks=\"1\">&lt;br&gt;<\/code>(Traiter le paiement) &lt;<\/td>\n<td>\u2014 (Paiement par portefeuille num\u00e9rique)`<\/td>\n<\/tr>\n<tr>\n<td><strong>10<\/strong><\/td>\n<td><strong>Note<\/strong><\/td>\n<td><code data-backticks=\"1\">note \u00e0 droite de PaymentGW<\/code><br \/>\n<code data-backticks=\"1\">note en bas de (Appliquer un code promo)<\/code><\/td>\n<td>Fournit <strong>explication contextuelle<\/strong> concernant l&#8217;impl\u00e9mentation ou les r\u00e8gles m\u00e9tier.<\/td>\n<td>Les notes sont sous-utilis\u00e9es mais <strong>extr\u00eamement pr\u00e9cieuses<\/strong>. Elles pr\u00e9viennent les interpr\u00e9tations erron\u00e9es (par exemple, en pr\u00e9cisant que PaymentGW est externe).<\/td>\n<\/tr>\n<tr>\n<td><strong>11<\/strong><\/td>\n<td><strong>Acteurs en dehors de la fronti\u00e8re<\/strong><\/td>\n<td>Tous les <code data-backticks=\"1\">acteurs<\/code>d\u00e9clarations pr\u00e9c\u00e8dent le rectangle<\/td>\n<td>Met l&#8217;accent sur le fait que <strong>aucun acteur ne fait partie du syst\u00e8me<\/strong> \u2014 s\u00e9paration claire des responsabilit\u00e9s.<\/td>\n<td>L&#8217;un des deux mises en page standard. Pr\u00e9f\u00e9r\u00e9e lorsque les acteurs sont nombreux ou externes.<\/td>\n<\/tr>\n<tr>\n<td><strong>12<\/strong><\/td>\n<td><strong>Direction du diagramme<\/strong><\/td>\n<td><code data-backticks=\"1\">direction de gauche \u00e0 droite<\/code><\/td>\n<td>Am\u00e9liore la mise en page lorsque plusieurs acteurs sont \u00e0 gauche.<\/td>\n<td>Am\u00e9liore la lisibilit\u00e9. Particuli\u00e8rement efficace avec 4 \u00e0 8 acteurs. Alternative : mise en page de haut en bas pour moins d&#8217;acteurs.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2><strong>4. D\u00e9cisions cl\u00e9s de mod\u00e9lisation et justification<\/strong><\/h2>\n<h3>\u2705 <strong>Pourquoi les acteurs sont-ils en dehors de la fronti\u00e8re du syst\u00e8me<\/strong><\/h3>\n<ul>\n<li><strong>Meilleure pratique<\/strong>: Les acteurs repr\u00e9sentent des r\u00f4les <em>en dehors<\/em> du syst\u00e8me.<\/li>\n<li><strong>Pourquoi cela compte<\/strong>: \u00c9vite la confusion entre les composants du syst\u00e8me et les entit\u00e9s externes.<\/li>\n<li><strong>Exemple<\/strong>: <code data-backticks=\"1\">Pilote<\/code> n&#8217;est pas un module de la plateforme \u2014 il s&#8217;agit d&#8217;un r\u00f4le tiers interagissant avec celle-ci.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>Astuce Pro<\/em>: Si tous les acteurs \u00e9taient \u00e0 l&#8217;int\u00e9rieur de la fronti\u00e8re, cela impliquerait que le syst\u00e8me les inclut \u2014 ce qui est trompeur.<\/p>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>Pourquoi utiliser <code data-backticks=\"1\">Client &lt;|-- ClientInscrit<\/code> au lieu de dupliquer les liens<\/strong><\/h3>\n<ul>\n<li>Sans g\u00e9n\u00e9ralisation, vous devriez dessiner :\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAielBqvL24ejBaaiBKhCAodMvEKAIart9aDLG4vYSgg2Vr5AQf4c0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Syx9JCqhKT3LjLFG24WiIiulBSeiKiX9BLOeIYqkIImjIimhATRavN86g_FCAqukoYHNUN5nQf52QLwgGd9-RcvYNagg9W00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">Client --&gt; (Parcourir les restaurants)\r\nClientInscrit --&gt; (Parcourir les restaurants)\r\nClientInscrit --&gt; (Passer une commande)\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Syx9JCqhKT3LjLFG24WiIiulBSeiKiX9BLOeIYqkIImjIimhATRavN86g_FCAqukoYHNUN5nQf52QLwgGd9-RcvYNagg9W00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAielBqvL24ejBaaiBKhCAodMvEKAIart9aDLG4vYSgg2Vr5AQf4c0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/li>\n<li>Avec la g\u00e9n\u00e9ralisation, vous n&#8217;avez besoin que de :\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQJaNvvSMfG1N59OcbHObv9SMQl5n8wY6g0d8IarCL_8jIKeiq0G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Syx9JCqhKR2fqTLLS0QpFVEAauioItYv85m5NLqx1Os0nABa_DAYp2A5dDHYXQBKufB4qgB4l99YJPWwg3QOykBYr2A5qhnKXUJytDp4l9HKJG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">Client &lt;|-- ClientInscrit\r\nClient --&gt; (Parcourir les restaurants)\r\nClientInscrit --&gt; (Passer une commande)\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Syx9JCqhKR2fqTLLS0QpFVEAauioItYv85m5NLqx1Os0nABa_DAYp2A5dDHYXQBKufB4qgB4l99YJPWwg3QOykBYr2A5qhnKXUJytDp4l9HKJG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQJaNvvSMfG1N59OcbHObv9SMQl5n8wY6g0d8IarCL_8jIKeiq0G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/li>\n<li><strong>R\u00e9sultat<\/strong>: Diagramme plus clair et plus facile \u00e0 maintenir.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>Meilleure pratique<\/em>: Utilisez la g\u00e9n\u00e9ralisation des acteurs chaque fois qu&#8217;un acteur sp\u00e9cialis\u00e9 h\u00e9rite de tous les comportements d&#8217;un acteur plus g\u00e9n\u00e9ral.<\/p>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>Pourquoi <code data-backticks=\"1\">&lt;&lt;inclure&gt;&gt;<\/code> et <code data-backticks=\"1\">&lt;&lt;\u00e9tendre&gt;&gt;<\/code> sont utilis\u00e9s correctement<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>Relation<\/th>\n<th>Objectif<\/th>\n<th>Direction<\/th>\n<th>Exemple<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code data-backticks=\"1\">&lt;&lt;inclure&gt;&gt;<\/code><\/td>\n<td>Sous-flux obligatoire<\/td>\n<td>De <strong>incluant<\/strong> \u2192 <strong>inclus<\/strong><\/td>\n<td><code data-backticks=\"1\">Passer une commande<\/code> <strong>doit<\/strong> inclure <code data-backticks=\"1\">Traiter le paiement<\/code><\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">&lt;&lt;\u00e9tendre&gt;&gt;<\/code><\/td>\n<td>Extension optionnelle<\/td>\n<td>De <strong>extension<\/strong> \u2192 <strong>base<\/strong><\/td>\n<td><code data-backticks=\"1\">Appliquer un code promo<\/code> <strong>\u00e9tend<\/strong> <code data-backticks=\"1\">Passer une commande<\/code> uniquement si le code est valide<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\u2757 <strong>Erreur courante<\/strong>: Inverser la direction de la fl\u00e8che. N&#8217;oubliez jamais :<\/p>\n<ul>\n<li><code data-backticks=\"1\">inclure<\/code>: <code data-backticks=\"1\">Base ..&gt; Inclus<\/code><\/li>\n<li><code data-backticks=\"1\">\u00e9tendre<\/code>: <code data-backticks=\"1\">Extension &lt;.. Base<\/code><\/li>\n<\/ul>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>Pourquoi <code data-backticks=\"1\">Traiter le paiement<\/code> poss\u00e8de des g\u00e9n\u00e9ralisations<\/strong><\/h3>\n<ul>\n<li><code data-backticks=\"1\">Paiement par carte<\/code> et <code data-backticks=\"1\">Paiement par portefeuille num\u00e9rique<\/code> sont <strong>formes sp\u00e9cialis\u00e9es<\/strong> de <code data-backticks=\"1\">Traiter le paiement<\/code>.<\/li>\n<li>Cela montre que la plateforme prend en charge <strong>plusieurs m\u00e9thodes de paiement<\/strong>, mais elles suivent toutes le m\u00eame flux de base.<\/li>\n<li>La g\u00e9n\u00e9ralisation permet <strong>un comportement partag\u00e9<\/strong> et <strong>une extensibilit\u00e9 future<\/strong>.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>Cas d&#8217;utilisation<\/em>: Ajouter une nouvelle m\u00e9thode de paiement (par exemple, Apple Pay) ne serait qu&#8217;une autre g\u00e9n\u00e9ralisation de <code data-backticks=\"1\">Traiter le paiement<\/code>.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>5. Interpr\u00e9tations du monde r\u00e9el et questions r\u00e9pondues<\/strong><\/h2>\n<p>Ce diagramme n&#8217;est pas seulement une aide visuelle : il r\u00e9pond \u00e0 des questions commerciales et techniques essentielles :<\/p>\n<table>\n<thead>\n<tr>\n<th>Question<\/th>\n<th>R\u00e9ponse du diagramme<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Qui sont les utilisateurs principaux ?<\/strong><\/td>\n<td>Clients, Clients inscrits, Personnel du restaurant, Livreurs, Passerelle de paiement<\/td>\n<\/tr>\n<tr>\n<td><strong>Les utilisateurs non inscrits peuvent-ils passer des commandes ?<\/strong><\/td>\n<td>\u274c Non \u2014 seulement <code data-backticks=\"1\">RegCustomer<\/code> peut <code data-backticks=\"1\">Passer une commande<\/code>. <code data-backticks=\"1\">Client<\/code> peut seulement <code data-backticks=\"1\">Parcourir les restaurants<\/code>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Le paiement est-il toujours requis ?<\/strong><\/td>\n<td>\u2705 Oui \u2014 <code data-backticks=\"1\">Passer une commande<\/code> <strong>inclut<\/strong> <code data-backticks=\"1\">Traiter le paiement<\/code>. Obligatoire.<\/td>\n<\/tr>\n<tr>\n<td><strong>Les clients peuvent-ils appliquer des codes promo ?<\/strong><\/td>\n<td>\u2705 Oui \u2014 mais seulement <strong>facultativement<\/strong> via <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code>. Uniquement si un code valide est saisi.<\/td>\n<\/tr>\n<tr>\n<td><strong>Quels modes de paiement sont pris en charge ?<\/strong><\/td>\n<td>Carte et portefeuille num\u00e9rique (via g\u00e9n\u00e9ralisation). Un syst\u00e8me externe g\u00e8re le traitement r\u00e9el.<\/td>\n<\/tr>\n<tr>\n<td><strong>Qui g\u00e8re le paiement ?<\/strong><\/td>\n<td>Externe <code data-backticks=\"1\">PaymentGW<\/code> \u2014 ne fait pas partie de la plateforme.<\/td>\n<\/tr>\n<tr>\n<td><strong>Les restaurants peuvent-ils g\u00e9rer leurs menus ?<\/strong><\/td>\n<td>\u2705 Oui \u2014 <code data-backticks=\"1\">Restaurant<\/code> acteur interagit avec <code data-backticks=\"1\">G\u00e9rer le menu<\/code> et <code data-backticks=\"1\">Accepter \/ Pr\u00e9parer la commande<\/code>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\u2705 <strong>Valeur commerciale<\/strong>: Le diagramme communique clairement <strong>ce que fait le syst\u00e8me<\/strong>, <strong>qui l&#8217;utilise<\/strong>, et <strong>quels comportements sont obligatoires par rapport aux facultatifs<\/strong>.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>6. Lignes directrices de mod\u00e9lisation courantes d\u00e9montr\u00e9es<\/strong><\/h2>\n<p>Le diagramme illustre plusieurs <strong>bonnes pratiques<\/strong> dans la mod\u00e9lisation des cas d&#8217;utilisation UML :<\/p>\n<table>\n<thead>\n<tr>\n<th>Ligne directrice<\/th>\n<th>Comment elle est appliqu\u00e9e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Utiliser des noms de cas d&#8217;orientation vers les objectifs<\/strong><\/td>\n<td><code data-backticks=\"1\">Passer une commande<\/code>, <code data-backticks=\"1\">Suivre la commande<\/code>, <code data-backticks=\"1\">Appliquer le code promo<\/code> \u2014 tous commencent par un verbe et d\u00e9crivent un objectif utilisateur.<\/td>\n<\/tr>\n<tr>\n<td><strong>Gardez le diagramme lisible<\/strong><\/td>\n<td>Seulement <strong>10 cas d&#8217;utilisation<\/strong> sont affich\u00e9s \u2014 id\u00e9al pour la plupart des domaines m\u00e9tier (5\u201312 est recommand\u00e9).<\/td>\n<\/tr>\n<tr>\n<td><strong>Syst\u00e8mes externes en tant qu&#8217;acteurs<\/strong><\/td>\n<td><code data-backticks=\"1\">PaymentGW<\/code> est mod\u00e9lis\u00e9 comme un acteur, et non comme un cas d&#8217;utilisation. S\u00e9pare correctement les responsabilit\u00e9s.<\/td>\n<\/tr>\n<tr>\n<td><strong>Utilisez des notes pour clarifier les ambigu\u00eft\u00e9s<\/strong><\/td>\n<td>Les notes expliquent que <code data-backticks=\"1\">PaymentGW<\/code> est externe et que le code promo est facultatif \u2014 essentiel pour \u00e9viter les interpr\u00e9tations erron\u00e9es.<\/td>\n<\/tr>\n<tr>\n<td><strong>Utilisez la g\u00e9n\u00e9ralisation d&#8217;acteurs pour r\u00e9duire l&#8217;encombrement<\/strong><\/td>\n<td>`Client &lt;<\/td>\n<\/tr>\n<tr>\n<td><strong>Utilisez <code data-backticks=\"1\">inclure<\/code> et <code data-backticks=\"1\">\u00e9tendre<\/code> correctement<\/strong><\/td>\n<td>Distinction claire entre le comportement obligatoire et facultatif.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udccc <em>Avertissement<\/em>: De nombreux diagrammes utilisent mal <code data-backticks=\"1\">&lt;&lt;\u00e9tendre&gt;&gt;<\/code> pour signifier \u00ab facultatif \u00bb sans comprendre la <strong>nature conditionnelle<\/strong> des extensions. Ce diagramme \u00e9vite cette erreur.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>7. Am\u00e9liorations potentielles et critique<\/strong><\/h2>\n<p>Bien que le diagramme soit solide, voici <strong>suggestions constructives<\/strong> pour affinement :<\/p>\n<h3>\ud83d\udd27 <strong>1. Ajouter des st\u00e9r\u00e9otypes pour plus de clart\u00e9<\/strong><\/h3>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkIIqjKb0AAKhCB4dDJSqhKKX9BLOeICm4SugL59BpStDJ5G8IAq5yzt056vlYokAImojoK-ti0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">acteur \"Traitement des paiements\" comme PaymentGW &lt;&lt;syst\u00e8me&gt;&gt;\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkIIqjKb0AAKhCB4dDJSqhKKX9BLOeICm4SugL59BpStDJ5G8IAq5yzt056vlYokAImojoK-ti0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>Pourquoi<\/strong>: Rend explicite qu&#8217;il s&#8217;agit d&#8217;un syst\u00e8me externe, et non d&#8217;un r\u00f4le humain.<\/li>\n<li><strong>Avantage<\/strong>: R\u00e9duit l&#8217;ambigu\u00eft\u00e9, en particulier dans les grands mod\u00e8les.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>2. Clarifier <code data-backticks=\"1\">Appliquer le code promo<\/code>Condition d&#8217;extension<\/strong><\/h3>\n<p>Actuellement :<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:3Sp12O0m40J0ls0F-zGon0AqXMXE32It8HwAFtkmGoin_s6K9bXenWHkw8QSuusvC14ZlVHj0qpP0jL5VCyBQWNNBWg7qyNWiLQ7S43Kf8Xl6r4FhV4F\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:9Ot13OCm40J_IFImloHbK04rEE4YdNJi6P_DEptG8PNWYDTAenajlGg4UAV08dXEEPjkJGfCyF6ESl7LN-C0pBcgas8uVmSQ_zugh30liRL7urtioRIFH4Ka3Hs7hnBiJnS0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">note en bas de (Appliquer le code promo)\r\n  Optionnel \u2013 uniquement lorsqu'un code valide est saisi\r\nfin note\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:9Ot13OCm40J_IFImloHbK04rEE4YdNJi6P_DEptG8PNWYDTAenajlGg4UAV08dXEEPjkJGfCyF6ESl7LN-C0pBcgas8uVmSQ_zugh30liRL7urtioRIFH4Ka3Hs7hnBiJnS0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:3Sp12O0m40J0ls0F-zGon0AqXMXE32It8HwAFtkmGoin_s6K9bXenWHkw8QSuusvC14ZlVHj0qpP0jL5VCyBQWNNBWg7qyNWiLQ7S43Kf8Xl6r4FhV4F\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier PlantUML dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>Mieux<\/strong>: Utiliser une <strong>notation de condition<\/strong> ou <strong>gardien<\/strong> dans le <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> fl\u00e8che :<\/li>\n<\/ul>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmZ8IKnELV0lIaajqbImqTDJq70iACYfL0Weoi_DLt3EJqdLLB1IiB59hIX9pKknirE8BalCoKnHA03B9mFbOm40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier Plantuml dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmX8B2vEBL8epKjLICxFpKtCIqdLLB3HqrFGS2meoCaiB0LB0kLIKXKAYl9pypKLh1HiR58hIbBpKkpi5A8HCWfbYJcPAQcn0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">(Passer une commande) &lt;.. (Appliquer un code promo) : &lt;&lt;extend&gt;&gt; [code promo valide]\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmX8B2vEBL8epKjLICxFpKtCIqdLLB3HqrFGS2meoCaiB0LB0kLIKXKAYl9pypKLh1HiR58hIbBpKkpi5A8HCWfbYJcPAQcn0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmZ8IKnELV0lIaajqbImqTDJq70iACYfL0Weoi_DLt3EJqdLLB1IiB59hIX9pKknirE8BalCoKnHA03B9mFbOm40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier Plantuml dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>Pourquoi<\/strong>: Plus pr\u00e9cis qu&#8217;une note \u2014 lie directement l&#8217;extension \u00e0 une condition.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>3. Envisager d&#8217;ajouter un <code data-backticks=\"1\">Voir l'historique des commandes<\/code> Cas d&#8217;utilisation<\/strong><\/h3>\n<ul>\n<li>Actuellement manquant, mais probablement important pour les clients et les restaurants.<\/li>\n<li>Pourrait \u00eatre ajout\u00e9 en tant que <code data-backticks=\"1\">Client enregistr\u00e9<\/code> cas d&#8217;utilisation.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>4. Regrouper les cas d&#8217;utilisation li\u00e9s (Optionnel)<\/strong><\/h3>\n<p>Pour les diagrammes plus grands, regrouper les cas d&#8217;utilisation dans des <strong>paquets<\/strong>:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:NOp12eCm44JlWlymUBAVKUnLpA6bvoLPH5nDs7YHuhytI9JMlSrxinF8ZjGpgauTArgQKvfuNYfyoWBfQYDa6Rk_PVJKzFQFxY782gD-ycYyuyItiWZ7lA7righUSep8ufXvHSQRHFWa3QcxjXv3FomakVbZjoy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier Plantuml dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ROuz3i8m34RtIhs3rGcEmSHQ2JY0bHfaaJ-SXANYG9o3Y-52KnZgoTBpy_T5D5Uy47HxIfc3Xu4IcE0SUjqw6Di6T3OzfaG2nTD2jpCw5BuBhQ9TZ9PlvICg70YY11SKFzecrkWUcHpv_4ix2d9Mowemm_hobDdojmh489dELDZQ9R8-Kr70e1wiadyLV76lfqn5fsPl\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">package \"Gestion des commandes\" {\r\n    (Passer une commande)\r\n    (Suivre une commande)\r\n    (Appliquer un code promo)\r\n}\r\npackage \"Paiement\" {\r\n    (Traiter le paiement)\r\n    (Utiliser un portefeuille)\r\n    (Paiement par carte)\r\n    (Paiement par portefeuille num\u00e9rique)\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:ROuz3i8m34RtIhs3rGcEmSHQ2JY0bHfaaJ-SXANYG9o3Y-52KnZgoTBpy_T5D5Uy47HxIfc3Xu4IcE0SUjqw6Di6T3OzfaG2nTD2jpCw5BuBhQ9TZ9PlvICg70YY11SKFzecrkWUcHpv_4ix2d9Mowemm_hobDdojmh489dELDZQ9R8-Kr70e1wiadyLV76lfqn5fsPl\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:NOp12eCm44JlWlymUBAVKUnLpA6bvoLPH5nDs7YHuhytI9JMlSrxinF8ZjGpgauTArgQKvfuNYfyoWBfQYDa6Rk_PVJKzFQFxY782gD-ycYyuyItiWZ7lA7righUSep8ufXvHSQRHFWa3QcxjXv3FomakVbZjoy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Modifier Plantuml dans VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>Avantage<\/strong>: Am\u00e9liore l&#8217;\u00e9volutivit\u00e9 et la lisibilit\u00e9.<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>8. Quelles sont les prochaines \u00e9tapes ?<\/strong><\/h2>\n<p>Cette \u00e9tude de cas a montr\u00e9 comment un <strong>diagramme de cas d&#8217;utilisation bien structur\u00e9<\/strong> peut capturer clairement et de mani\u00e8re concise une logique m\u00e9tier complexe. Pour approfondir votre compr\u00e9hension, voici <strong>les prochaines \u00e9tapes sugg\u00e9r\u00e9es<\/strong>:<\/p>\n<h3>\ud83d\udd04 <strong>Option 1 : Vue centr\u00e9e sur le restaurant<\/strong><\/h3>\n<p>Mod\u00e9liser le m\u00eame domaine \u00e0 partir de <strong>la perspective du restaurant<\/strong>:<\/p>\n<ul>\n<li>Se concentrer sur <code data-backticks=\"1\">G\u00e9rer le menu<\/code>, <code data-backticks=\"1\">Accepter \/ Pr\u00e9parer la commande<\/code>, <code data-backticks=\"1\">Voir les commandes<\/code>, <code data-backticks=\"1\">Mettre \u00e0 jour le statut<\/code>.<\/li>\n<li>Afficher <code data-backticks=\"1\">Restaurant<\/code> en tant qu&#8217;acteur principal.<\/li>\n<li>Inclure <code data-backticks=\"1\">Client<\/code> en tant qu&#8217;acteur secondaire (par exemple, <code data-backticks=\"1\">Client<\/code> envoie une commande \u2192 <code data-backticks=\"1\">Restaurant<\/code> la re\u00e7oit).<\/li>\n<\/ul>\n<blockquote>\n<p>\u2705 <strong>Avantage<\/strong>: R\u00e9v\u00e8le diff\u00e9rents objectifs du syst\u00e8me et r\u00f4les des acteurs.<\/p>\n<\/blockquote>\n<h3>\ud83d\udd04 <strong>Option 2 : Ajouter plus de points d&#8217;extension<\/strong><\/h3>\n<p>Am\u00e9liorer <code data-backticks=\"1\">Passer une commande<\/code> avec :<\/p>\n<ul>\n<li><code data-backticks=\"1\">Appliquer un coupon<\/code> (si le code promo est invalide \u2192 <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> avec un message d&#8217;erreur)<\/li>\n<li><code data-backticks=\"1\">Demander des instructions sp\u00e9ciales<\/code> (facultatif)<\/li>\n<li><code data-backticks=\"1\">Planifier la commande<\/code> (pour une livraison future)<\/li>\n<\/ul>\n<h3>\ud83d\udd04 <strong>Option 3 : Comparer <code data-backticks=\"1\">inclure<\/code> vs <code data-backticks=\"1\">\u00e9tendre<\/code> avec des exemples<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>Cas d&#8217;utilisation<\/th>\n<th><code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code><\/th>\n<th><code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code data-backticks=\"1\">Passer une commande<\/code> \u2192 <code data-backticks=\"1\">Traiter le paiement<\/code><\/td>\n<td>\u2705 Obligatoire<\/td>\n<td>\u274c Non facultatif<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">Passer une commande<\/code> \u2192 <code data-backticks=\"1\">Appliquer un code promo<\/code><\/td>\n<td>\u274c Non obligatoire<\/td>\n<td>\u2705 Conditionnel<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">Connexion<\/code> \u2192 <code data-backticks=\"1\">V\u00e9rifier l'identit\u00e9<\/code><\/td>\n<td>\u2705 Toujours n\u00e9cessaire<\/td>\n<td>\u274c Non applicable<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">Passer \u00e0 la caisse<\/code> \u2192 <code data-backticks=\"1\">Appliquer une r\u00e9duction<\/code><\/td>\n<td>\u2705 Toujours<\/td>\n<td>\u2705 Uniquement si une r\u00e9duction existe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udccc <strong>R\u00e8gle g\u00e9n\u00e9rale<\/strong>:<\/p>\n<ul>\n<li>Utiliser <code data-backticks=\"1\">&lt;&lt;inclure&gt;&gt;<\/code> lorsque le comportement <strong>doit se produire<\/strong>.<\/li>\n<li>Utiliser <code data-backticks=\"1\">&lt;&lt;\u00e9tendre&gt;&gt;<\/code> lorsque le comportement <strong>pourrait se produire<\/strong> dans certaines conditions.<\/li>\n<\/ul>\n<\/blockquote>\n<h3>\ud83d\udd04 <strong>Option 4 : Convertir en diagrammes de s\u00e9quence ou d&#8217;activit\u00e9<\/strong><\/h3>\n<p>Pour une analyse plus approfondie :<\/p>\n<ul>\n<li><strong>Diagramme de s\u00e9quence<\/strong>: Montrer le flux de <code data-backticks=\"1\">Passer une commande<\/code> \u2192 <code data-backticks=\"1\">Traiter le paiement<\/code> \u2192 <code data-backticks=\"1\">Livrer la commande<\/code> avec des messages entre les acteurs et le syst\u00e8me.<\/li>\n<li><strong>Diagramme d&#8217;activit\u00e9<\/strong>: Mod\u00e9liser les points de d\u00e9cision dans<code data-backticks=\"1\">Traiter le paiement<\/code> (par exemple, carte refus\u00e9e \u2192 r\u00e9essayer ou passer au portefeuille \u00e9lectronique).<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>9. Conclusion<\/strong><\/h2>\n<p>Cette \u00e9tude de cas d\u00e9montre que<strong>un diagramme de cas d&#8217;utilisation bien con\u00e7u<\/strong> est bien plus qu&#8217;un croquis visuel \u2014 c&#8217;est un<strong>outil de communication strat\u00e9gique<\/strong> qui :<\/p>\n<ul>\n<li>Clarifie le p\u00e9rim\u00e8tre du syst\u00e8me,<\/li>\n<li>Capture les r\u00e8gles m\u00e9tier,<\/li>\n<li>Guide le d\u00e9veloppement,<\/li>\n<li>Pr\u00e9vient les malentendus.<\/li>\n<\/ul>\n<p>Le<strong>Plateforme de livraison de repas<\/strong> diagramme est un<strong>excellent exemple<\/strong> de :<\/p>\n<ul>\n<li>Utilisation appropri\u00e9e de la notation UML,<\/li>\n<li>D\u00e9cisions de mod\u00e9lisation solides,<\/li>\n<li>S\u00e9paration claire des pr\u00e9occupations,<\/li>\n<li>Utilisation efficace des notes et des g\u00e9n\u00e9ralisations.<\/li>\n<\/ul>\n<p>En suivant les principes pr\u00e9sent\u00e9s ici \u2014<strong>une d\u00e9nomination orient\u00e9e vers l&#8217;objectif<\/strong>, <strong>une utilisation correcte de<code data-backticks=\"1\">inclure<\/code>\/<code data-backticks=\"1\">\u00e9tendre<\/code><\/strong>, <strong>g\u00e9n\u00e9ralisation d&#8217;acteur<\/strong>, et <strong>utilisation strat\u00e9gique des notes<\/strong> \u2014 vous pouvez cr\u00e9er des diagrammes de cas d&#8217;utilisation qui sont \u00e0 la fois <strong>pr\u00e9cis<\/strong> et <strong>actionnable<\/strong>.<\/p>\n<hr\/>\n<h2>\u2705 Le\u00e7ons finales<\/h2>\n<table>\n<thead>\n<tr>\n<th>Principe<\/th>\n<th>Appliqu\u00e9 ici ?<\/th>\n<th>Pourquoi cela compte<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Utilisez des noms de cas d&#8217;utilisation orient\u00e9s objectif<\/td>\n<td>\u2705 Oui<\/td>\n<td>Am\u00e9liore la clart\u00e9 et la focalisation sur l&#8217;utilisateur<\/td>\n<\/tr>\n<tr>\n<td>Gardez la taille du diagramme g\u00e9rable<\/td>\n<td>\u2705 Oui (10 cas d&#8217;utilisation)<\/td>\n<td>Pr\u00e9vient la surcharge cognitive<\/td>\n<\/tr>\n<tr>\n<td>Syst\u00e8mes externes en tant qu&#8217;acteurs<\/td>\n<td>\u2705 Oui<\/td>\n<td>S\u00e9paration correcte des responsabilit\u00e9s<\/td>\n<\/tr>\n<tr>\n<td>Utilisez des notes pour le contexte<\/td>\n<td>\u2705 Oui<\/td>\n<td>Pr\u00e9vient les interpr\u00e9tations erron\u00e9es<\/td>\n<\/tr>\n<tr>\n<td>Utilisez la g\u00e9n\u00e9ralisation pour r\u00e9duire la redondance<\/td>\n<td>\u2705 Oui<\/td>\n<td>Rend le diagramme \u00e9volutif et maintenable<\/td>\n<\/tr>\n<tr>\n<td>Correct<code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code> et <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> direction<\/td>\n<td>\u2705 Oui<\/td>\n<td>Assure une mod\u00e9lisation pr\u00e9cise du comportement<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n","protected":false},"excerpt":{"rendered":"<p>Mod\u00e9lisation des exigences du monde r\u00e9el avec UML \u2013 Un guide pratique 1. Introduction Dans le d\u00e9veloppement logiciel moderne, les diagrammes de cas d&#8217;utilisationsont un outil fondamental pour capturer les&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/uml.planttext.com\/plantuml\/png\/VLLBRjim4Dq7y1q6tZG5R7TV645Skosw268qBRAUa2EP24KA91NN_G2zGs_OatHeYehaoDLECs_U_9v6rpwW2qsb9nV-KPaQ7LPGMMF5pjcA8BY6-Yw_GsdtofHGeFRicbneAW842qwLkm1IEH91MHDThs2bDQ08rdb0Ho2fK8Oas2Pu9Pb-Hn3nQ4hDP4Sah1iVEBVBxzFFL2eVo75Wzaq1FR1z1CiTDGvDWBk0HT42ip7ZDauzzQAsUAY8GxRE2lBU9lxM-l4-zjAL2TCFrahOa8uK1zXg38LrrHH-H1pmS_dEsRsdNbx_klKmMX3SEaakcxuu58z3qmqQB0bko3JPj1A2wW1lk4Qguom70MqrGsFRJUuZcpzvtyJQYiR8ZhskzI6sNrbOMqdP_fMxk4UjgOjUevEdZ1jLge2wHVQyoSyou9aAXL4N7lx-_iDYY1C2uIpN5rNmOBaQT8SKaTSAwPdFh_upqvuCEl3BCO-XXfFFk4v07UxbEiPGPpUKGfBa0FezdQuj8JlTzP3Zknn3dgmthq0PeHj98pA4nM8a0QFUmdBPXbrTFJFHjq16ZX41B1UB4J4bgXGNcKRLcM9xWaiz3IDp3IKPSgZLTqotvWpZp_byNB5de6U5_AizPyTpCKmEbtm9RJvfZEraTkGS7Ad9XR61sbDfY_w50NZFNJh3sUls6fKOQ8_7J-BoBZXLqon6R57FO2KFP6QykWLdvE509EuIFDZ06ME6yI_xjewLSwhuBLh3WFsE320ySLiI1ED0UU0YujKT9hZc5_vX_0C0","fifu_image_alt":"","footnotes":""},"categories":[74],"tags":[],"class_list":["post-4103","post","type-post","status-publish","format-standard","hentry","category-uml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tude de cas : Diagramme de cas d&#039;utilisation pour une plateforme de livraison de nourriture - Go 2 Posts French | Breaking Digital News &amp; Software Trends<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.go2posts.com\/fr\/case-study-use-case-diagram-for-a-food-delivery-platform\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tude de cas : Diagramme de cas d&#039;utilisation pour une plateforme de livraison de nourriture - Go 2 Posts French | Breaking Digital News &amp; Software Trends\" \/>\n<meta property=\"og:description\" content=\"Mod\u00e9lisation des exigences du monde r\u00e9el avec UML \u2013 Un guide pratique 1. 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