feat: Implement task editing functionality with validation and user assignment

src/lib/queries/tasks.js

@@ -192,8 +192,13 @@ export function updateProjectTaskStatus(taskId, status, userId = null) {
 
 // Delete a project task
 export function deleteProjectTask(taskId) {
-	const stmt = db.prepare("DELETE FROM project_tasks WHERE id = ?");
-	return stmt.run(taskId);
+	// First delete all related task notes
+	const deleteNotesStmt = db.prepare("DELETE FROM notes WHERE task_id = ?");
+	deleteNotesStmt.run(taskId);
+
+	// Then delete the task itself
+	const deleteTaskStmt = db.prepare("DELETE FROM project_tasks WHERE id = ?");
+	return deleteTaskStmt.run(taskId);
 }
 
 // Get project tasks assigned to a specific user
@@ -291,3 +296,107 @@ export function getAllUsersForTaskAssignment() {
 		)
 		.all();
 }
+
+// Update project task (general update for edit modal)
+export function updateProjectTask(taskId, updates, userId = null) {
+	// Get current task for logging
+	const getCurrentTask = db.prepare(`
+		SELECT 
+			pt.*,
+			COALESCE(pt.custom_task_name, t.name) as task_name
+		FROM project_tasks pt
+		LEFT JOIN tasks t ON pt.task_template_id = t.task_id
+		WHERE pt.id = ?
+	`);
+	const currentTask = getCurrentTask.get(taskId);
+
+	if (!currentTask) {
+		throw new Error(`Task with ID ${taskId} not found`);
+	}
+
+	// Build dynamic update query
+	const fields = [];
+	const values = [];
+
+	if (updates.priority !== undefined) {
+		fields.push("priority = ?");
+		values.push(updates.priority);
+	}
+
+	if (updates.status !== undefined) {
+		fields.push("status = ?");
+		values.push(updates.status);
+
+		// Handle status-specific timestamp updates
+		if (currentTask.status === "pending" && updates.status === "in_progress") {
+			fields.push("date_started = CURRENT_TIMESTAMP");
+		} else if (updates.status === "completed") {
+			fields.push("date_completed = CURRENT_TIMESTAMP");
+		}
+	}
+
+	if (updates.assigned_to !== undefined) {
+		fields.push("assigned_to = ?");
+		values.push(updates.assigned_to || null);
+	}
+
+	if (updates.date_started !== undefined) {
+		fields.push("date_started = ?");
+		values.push(updates.date_started || null);
+	}
+
+	// Always update the updated_at timestamp
+	fields.push("updated_at = CURRENT_TIMESTAMP");
+	values.push(taskId);
+
+	const stmt = db.prepare(`
+		UPDATE project_tasks 
+		SET ${fields.join(", ")}
+		WHERE id = ?
+	`);
+
+	const result = stmt.run(...values);
+
+	// Log the update
+	if (userId) {
+		const changes = [];
+		if (
+			updates.priority !== undefined &&
+			updates.priority !== currentTask.priority
+		) {
+			changes.push(
+				`Priority: ${currentTask.priority || "None"} → ${
+					updates.priority || "None"
+				}`
+			);
+		}
+		if (updates.status !== undefined && updates.status !== currentTask.status) {
+			changes.push(
+				`Status: ${currentTask.status || "None"} → ${updates.status || "None"}`
+			);
+		}
+		if (
+			updates.assigned_to !== undefined &&
+			updates.assigned_to !== currentTask.assigned_to
+		) {
+			changes.push(`Assignment updated`);
+		}
+		if (
+			updates.date_started !== undefined &&
+			updates.date_started !== currentTask.date_started
+		) {
+			changes.push(
+				`Date started: ${currentTask.date_started || "None"} → ${
+					updates.date_started || "None"
+				}`
+			);
+		}
+
+		if (changes.length > 0) {
+			const logMessage = `Task updated: ${changes.join(", ")}`;
+			addNoteToTask(taskId, logMessage, true, userId);
+		}
+	}
+
+	return result;
+}