finance/backend: feat: added v1/goals and handlers/goal_handler for Goal CRUD

1 files changed, 50 insertions, 0 deletions

diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index e654007..11cee62 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -176,6 +176,56 @@ export const transactionApi = {
   })
 };
 
+// Goal API
+export interface Goal {
+  ID: number;
+  CreatedAt: string;
+  UpdatedAt: string;
+  DeletedAt: string | null;
+  UserID: number;
+  Name: string;
+  TargetAmount: number;
+  CurrentAmount: number;
+  TargetDate: string | null;
+  Status: "Active" | "Achieved" | "Cancelled";
+}
+
+export interface GoalInput {
+  name: string;
+  targetAmount: number;
+  currentAmount?: number;
+  targetDate?: string; // YYYY-MM-DD format
+  status?: "Active" | "Achieved" | "Cancelled";
+}
+
+export const goalApi = {
+  getGoals: (status?: "Active" | "Achieved" | "Cancelled") => {
+    const queryParams = status ? `?status=${status}` : '';
+    return fetchWithAuth(`/goals${queryParams}`);
+  },
+  
+  getGoal: (id: number) => fetchWithAuth(`/goals/${id}`),
+  
+  createGoal: (goal: GoalInput) => fetchWithAuth('/goals', {
+    method: 'POST',
+    body: JSON.stringify(goal)
+  }),
+  
+  updateGoal: (id: number, goal: Partial<GoalInput>) => fetchWithAuth(`/goals/${id}`, {
+    method: 'PUT',
+    body: JSON.stringify(goal)
+  }),
+  
+  updateGoalProgress: (id: number, currentAmount: number) => fetchWithAuth(`/goals/${id}/progress`, {
+    method: 'PATCH',
+    body: JSON.stringify({ currentAmount })
+  }),
+  
+  deleteGoal: (id: number) => fetchWithAuth(`/goals/${id}`, {
+    method: 'DELETE'
+  })
+};
+
 // Loan API
 export interface Loan {
   ID: number;