feat: disallow selection of a person or project if it's already selected on the other side (giver/receiver)

src/components/EntityGrid.vue

@@ -155,6 +155,7 @@ projects, and special entities with selection. * * @author Matthew Raymer */
             :active-did="activeDid"
             :all-my-dids="allMyDids"
             :all-contacts="allContacts"
+            :conflicted="isProjectConflicted(project.handleId)"
             :notify="notify"
             :conflict-context="conflictContext"
             @project-selected="handleProjectSelected"
@@ -175,6 +176,7 @@ projects, and special entities with selection. * * @author Matthew Raymer */
           :active-did="activeDid"
           :all-my-dids="allMyDids"
           :all-contacts="allContacts"
+          :conflicted="isProjectConflicted(project.handleId)"
           :notify="notify"
           :conflict-context="conflictContext"
           @project-selected="handleProjectSelected"
@@ -190,6 +192,7 @@ projects, and special entities with selection. * * @author Matthew Raymer */
           :active-did="activeDid"
           :all-my-dids="allMyDids"
           :all-contacts="allContacts"
+          :conflicted="isProjectConflicted(project.handleId)"
           :notify="notify"
           :conflict-context="conflictContext"
           @project-selected="handleProjectSelected"
@@ -555,6 +558,13 @@ export default class EntityGrid extends Vue {
     return this.conflictChecker(did);
   }
 
+  /**
+   * Check if a project handleId is conflicted
+   */
+  isProjectConflicted(handleId: string): boolean {
+    return this.conflictChecker(handleId);
+  }
+
   /**
    * Handle person selection from PersonCard
    */

src/components/GiftedDialog.vue

@@ -179,22 +179,56 @@ export default class GiftedDialog extends Vue {
     return false;
   }
 
-  // Computed property to check if a contact would create a conflict when selected
-  wouldCreateConflict(contactDid: string) {
-    // Only check for conflicts when both entities are persons
+  // Computed property to check if current selection would create a project conflict
+  get hasProjectConflict() {
+    // Only check for conflicts when both entities are projects
     if (
-      this.currentGiverEntityType !== "person" ||
-      this.currentRecipientEntityType !== "person"
+      this.currentGiverEntityType !== "project" ||
+      this.currentRecipientEntityType !== "project"
     ) {
       return false;
     }
 
+    // Check if giver and recipient are the same project
+    if (
+      this.giver?.handleId &&
+      this.receiver?.handleId &&
+      this.giver.handleId === this.receiver.handleId
+    ) {
+      return true;
+    }
+
+    return false;
+  }
+
+  // Computed property to check if a contact or project would create a conflict when selected
+  wouldCreateConflict(identifier: string) {
+    // Check for person conflicts when both entities are persons
+    if (
+      this.currentGiverEntityType === "person" &&
+      this.currentRecipientEntityType === "person"
+    ) {
       if (this.stepType === "giver") {
         // If selecting as giver, check if it conflicts with current recipient
-      return this.receiver?.did === contactDid;
+        return this.receiver?.did === identifier;
       } else if (this.stepType === "recipient") {
         // If selecting as recipient, check if it conflicts with current giver
-      return this.giver?.did === contactDid;
+        return this.giver?.did === identifier;
+      }
+    }
+
+    // Check for project conflicts when both entities are projects
+    if (
+      this.currentGiverEntityType === "project" &&
+      this.currentRecipientEntityType === "project"
+    ) {
+      if (this.stepType === "giver") {
+        // If selecting as giver, check if it conflicts with current recipient
+        return this.receiver?.handleId === identifier;
+      } else if (this.stepType === "recipient") {
+        // If selecting as recipient, check if it conflicts with current giver
+        return this.giver?.handleId === identifier;
+      }
     }
 
     return false;
@@ -363,6 +397,15 @@ export default class GiftedDialog extends Vue {
       return;
     }
 
+    // Check for project conflict
+    if (this.hasProjectConflict) {
+      this.safeNotify.error(
+        "You cannot select the same project as both giver and recipient.",
+        TIMEOUTS.STANDARD,
+      );
+      return;
+    }
+
     this.close();
     this.safeNotify.toast(
       NOTIFY_GIFTED_DETAILS_RECORDING_GIVE.message,

src/components/ProjectCard.vue

@@ -1,11 +1,8 @@
 /** * ProjectCard.vue - Individual project display component * * Extracted from
-GiftedDialog.vue to handle project entity display * with selection states and
-issuer information. * * @author Matthew Raymer */
+GiftedDialog.vue to handle project entity display * with selection states,
+conflict detection, and issuer information. * * @author Matthew Raymer */
 <template>
-  <li
-    class="flex items-center gap-2 px-2 py-1.5 border-b border-slate-300 hover:bg-slate-50 cursor-pointer"
-    @click="handleClick"
-  >
+  <li :class="cardClasses" @click="handleClick">
     <ProjectIcon
       :entity-id="project.handleId"
       :icon-size="30"
@@ -14,8 +11,8 @@ issuer information. * * @author Matthew Raymer */
     />
 
     <div class="overflow-hidden">
-      <h3 class="text-sm font-semibold truncate">
-        {{ project.name || unnamedProject }}
+      <h3 :class="nameClasses">
+        {{ displayName }}
       </h3>
 
       <div class="text-xs text-slate-500 truncate">
@@ -33,6 +30,7 @@ import { PlanData } from "../interfaces/records";
 import { Contact } from "../db/tables/contacts";
 import { didInfo } from "../libs/endorserServer";
 import { UNNAMED_PROJECT } from "@/constants/entities";
+import { NotificationIface } from "../constants/app";
 
 /**
  * ProjectCard - Displays a project entity with selection capability
@@ -42,6 +40,8 @@ import { UNNAMED_PROJECT } from "@/constants/entities";
  * - Displays project name and issuer information
  * - Handles click events for selection
  * - Shows issuer name using didInfo utility
+ * - Selection states (selectable, conflicted, disabled)
+ * - Warning notifications for conflicted entities
  */
 @Component({
   components: {
@@ -65,6 +65,18 @@ export default class ProjectCard extends Vue {
   @Prop({ required: true })
   allContacts!: Contact[];
 
+  /** Whether this project would create a conflict if selected */
+  @Prop({ default: false })
+  conflicted!: boolean;
+
+  /** Notification function from parent component */
+  @Prop()
+  notify?: (notification: NotificationIface, timeout?: number) => void;
+
+  /** Context for conflict messages (e.g., "giver", "recipient") */
+  @Prop({ default: "other party" })
+  conflictContext!: string;
+
   /**
    * Get the unnamed project constant
    */
@@ -72,6 +84,51 @@ export default class ProjectCard extends Vue {
     return UNNAMED_PROJECT;
   }
 
+  /**
+   * Computed CSS classes for the card
+   */
+  get cardClasses(): string {
+    const baseCardClasses =
+      "flex items-center gap-2 px-2 py-1.5 border-b border-slate-300";
+
+    if (this.conflicted) {
+      return `${baseCardClasses} *:opacity-50 cursor-not-allowed`;
+    }
+
+    return `${baseCardClasses} cursor-pointer hover:bg-slate-50`;
+  }
+
+  /**
+   * Computed CSS classes for the project name
+   */
+  get nameClasses(): string {
+    const baseNameClasses = "text-sm font-semibold truncate";
+
+    if (this.conflicted) {
+      return `${baseNameClasses} text-slate-500`;
+    }
+
+    // Add italic styling for entities without set names
+    if (!this.project.name) {
+      return `${baseNameClasses} italic text-slate-500`;
+    }
+
+    return baseNameClasses;
+  }
+
+  /**
+   * Computed display name for the project
+   */
+  get displayName(): string {
+    // If the project has a set name, use that name
+    if (this.project.name) {
+      return this.project.name;
+    }
+
+    // If the project does not have a set name
+    return this.unnamedProject;
+  }
+
   /**
    * Computed display name for the project issuer
    */
@@ -85,10 +142,23 @@ export default class ProjectCard extends Vue {
   }
 
   /**
-   * Handle card click - emit project selection
+   * Handle card click - emit if not conflicted, show warning if conflicted
    */
   handleClick(): void {
+    if (!this.conflicted) {
       this.emitProjectSelected(this.project);
+    } else if (this.notify) {
+      // Show warning notification for conflicted entity
+      this.notify(
+        {
+          group: "alert",
+          type: "warning",
+          title: "Cannot Select",
+          text: `You cannot select "${this.displayName}" because it is already selected as the ${this.conflictContext}.`,
+        },
+        3000,
+      );
+    }
   }
 
   // Emit methods using @Emit decorator