initial commit

apps/Frontend/src/hooks/use-auth.tsx

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+import { createContext, ReactNode, useContext } from "react";
+import {
+  useQuery,
+  useMutation,
+  UseMutationResult,
+} from "@tanstack/react-query";
+import { UserUncheckedCreateInputObjectSchema } from "@repo/db/usedSchemas";
+import { z } from "zod";
+import { getQueryFn, apiRequest, queryClient } from "../lib/queryClient";
+import { useToast } from "@/hooks/use-toast";
+
+type SelectUser = z.infer<typeof UserUncheckedCreateInputObjectSchema>;
+
+const insertUserSchema = (
+  UserUncheckedCreateInputObjectSchema as unknown as z.ZodObject<{
+    username: z.ZodString;
+    password: z.ZodString;
+  }>
+).pick({
+  username: true,
+  password: true,
+});
+
+type InsertUser = z.infer<typeof insertUserSchema>;
+
+type AuthContextType = {
+  user: SelectUser | null;
+  isLoading: boolean;
+  error: Error | null;
+  loginMutation: UseMutationResult<SelectUser, Error, LoginData>;
+  logoutMutation: UseMutationResult<void, Error, void>;
+  registerMutation: UseMutationResult<SelectUser, Error, InsertUser>;
+};
+
+// type LoginData = Pick<InsertUser, "username" | "password">;
+type LoginData = {
+  username: InsertUser["username"];
+  password: InsertUser["password"];
+};
+
+export const AuthContext = createContext<AuthContextType | null>(null);
+
+export function AuthProvider({ children }: { children: ReactNode }) {
+  const { toast } = useToast();
+  const {
+    data: user,
+    error,
+    isLoading,
+  } = useQuery<SelectUser | undefined, Error>({
+    queryKey: ["/api/users/"],
+    queryFn: getQueryFn({ on401: "returnNull" }),
+  });
+
+  const loginMutation = useMutation({
+    mutationFn: async (credentials: LoginData) => {
+      const res = await apiRequest("POST", "/api/auth/login", credentials);
+
+      const contentType = res.headers.get("content-type") || "";
+      const isJson = contentType.includes("application/json");
+      const data = isJson ? await res.json() : {};
+
+      if (!res.ok) {
+        throw new Error(data?.error || "Login failed. Please try again.");
+      }
+      if (!data?.token || !data?.user) {
+        throw new Error("Invalid response from server");
+      }
+
+      localStorage.setItem("token", data.token);
+      return data.user;
+    },
+    onSuccess: (user: SelectUser) => {
+      queryClient.setQueryData(["/api/users/"], user);
+    },
+    onError: (error: Error) => {
+      console.error("Login error:", error);
+      toast({
+        title: "Login failed",
+        description: error.message,
+        variant: "destructive",
+      });
+    },
+  });
+
+  const registerMutation = useMutation({
+    mutationFn: async (credentials: InsertUser) => {
+      const res = await apiRequest("POST", "/api/auth/register", credentials);
+
+      const contentType = res.headers.get("content-type") || "";
+      const isJson = contentType.includes("application/json");
+      const data = isJson ? await res.json() : {};
+
+      if (!res.ok) {
+        throw new Error(data?.error || "Registration failed.");
+      }
+
+      if (!data?.token || !data?.user) {
+        throw new Error("Invalid response from server");
+      }
+
+      localStorage.setItem("token", data.token);
+      return data.user;
+    },
+    onSuccess: (user: SelectUser) => {
+      queryClient.setQueryData(["/api/users/"], user);
+    },
+    onError: (error: Error) => {
+      console.error("Registration error:", error);
+      toast({
+        title: "Registration failed",
+        description: error.message,
+        variant: "destructive",
+      });
+    },
+  });
+
+  const logoutMutation = useMutation({
+    mutationFn: async () => {
+      localStorage.removeItem("token");
+      await apiRequest("POST", "/api/auth/logout");
+    },
+    onSuccess: () => {
+      queryClient.setQueryData(["/api/users/"], null);
+    },
+    onError: (error: Error) => {
+      toast({
+        title: "Logout failed",
+        description: error.message,
+        variant: "destructive",
+      });
+    },
+  });
+
+  return (
+    <AuthContext.Provider
+      value={{
+        user: user ?? null,
+        isLoading,
+        error,
+        loginMutation,
+        logoutMutation,
+        registerMutation,
+      }}
+    >
+      {children}
+    </AuthContext.Provider>
+  );
+}
+
+export function useAuth() {
+  const context = useContext(AuthContext);
+  if (!context) {
+    throw new Error("useAuth must be used within an AuthProvider");
+  }
+  return context;
+}

apps/Frontend/src/hooks/use-extractPdfData.ts

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+import { useMutation } from "@tanstack/react-query";
+import { useToast } from "@/hooks/use-toast";
+import { apiRequest, queryClient } from "@/lib/queryClient";
+
+export interface ExtractedData {
+  name: string;
+  memberId: string;
+  dob: string;
+}
+
+export default function useExtractPdfData() {
+  const { toast } = useToast();
+
+  return useMutation<ExtractedData, Error, File>({
+    mutationFn: async (pdfFile: File) => {
+      const formData = new FormData();
+      formData.append("pdf", pdfFile);
+
+      const res = await apiRequest("POST", "/api/patientDataExtraction/patientdataextract", formData);
+      if (!res.ok) throw new Error("Failed to extract PDF");
+      return res.json();
+    },
+    onError: (error) => {
+      toast({
+        title: "Error",
+        description: `Failed to extract PDF: ${error.message}`,
+        variant: "destructive",
+      });
+    },
+  }); 
+}

apps/Frontend/src/hooks/use-mobile.tsx

@@ -0,0 +1,19 @@
+import * as React from "react"
+
+const MOBILE_BREAKPOINT = 768
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    }
+    mql.addEventListener("change", onChange)
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
+    return () => mql.removeEventListener("change", onChange)
+  }, [])
+
+  return !!isMobile
+}

apps/Frontend/src/hooks/use-toast.ts

@@ -0,0 +1,211 @@
+import * as React from "react";
+
+import type { ToastActionElement, ToastProps } from "@/components/ui/toast";
+
+const TOAST_LIMIT = 10;
+const TOAST_REMOVE_DELAY = 10000;
+
+type ToasterToast = ToastProps & {
+  id: string;
+  title?: React.ReactNode;
+  description?: React.ReactNode;
+  action?: ToastActionElement;
+};
+
+const actionTypes = {
+  ADD_TOAST: "ADD_TOAST",
+  UPDATE_TOAST: "UPDATE_TOAST",
+  DISMISS_TOAST: "DISMISS_TOAST",
+  REMOVE_TOAST: "REMOVE_TOAST",
+} as const;
+
+let count = 0;
+
+function genId() {
+  count = (count + 1) % Number.MAX_SAFE_INTEGER;
+  return count.toString();
+}
+
+type ActionType = typeof actionTypes;
+
+type Action =
+  | {
+      type: ActionType["ADD_TOAST"];
+      toast: ToasterToast;
+    }
+  | {
+      type: ActionType["UPDATE_TOAST"];
+      toast: Partial<ToasterToast>;
+    }
+  | {
+      type: ActionType["DISMISS_TOAST"];
+      toastId?: ToasterToast["id"];
+    }
+  | {
+      type: ActionType["REMOVE_TOAST"];
+      toastId?: ToasterToast["id"];
+    };
+
+interface State {
+  toasts: ToasterToast[];
+}
+
+const toastTimeouts = new Map<string, ReturnType<typeof setTimeout>>();
+
+const addToRemoveQueue = (toastId: string) => {
+  if (toastTimeouts.has(toastId)) return;
+
+  const timeout = setTimeout(() => {
+    toastTimeouts.delete(toastId);
+
+    dispatch({
+      type: "REMOVE_TOAST",
+      toastId: toastId,
+    });
+
+    // Show next toast in the queue
+    const next = memoryState.toasts[1]; // [0] was just removed
+    if (next) {
+      addToRemoveQueue(next.id);
+    }
+  }, TOAST_REMOVE_DELAY);
+
+  toastTimeouts.set(toastId, timeout);
+};
+
+export const reducer = (state: State, action: Action): State => {
+  switch (action.type) {
+    case "ADD_TOAST":
+      const newToasts = [...state.toasts, action.toast].slice(0, TOAST_LIMIT);
+
+      addToRemoveQueue(action.toast.id);
+
+      return {
+        ...state,
+        toasts: newToasts,
+      };
+
+    case "UPDATE_TOAST":
+      return {
+        ...state,
+        toasts: state.toasts.map((t) =>
+          t.id === action.toast.id ? { ...t, ...action.toast } : t
+        ),
+      };
+
+    case "DISMISS_TOAST": {
+      const { toastId } = action;
+
+      // ! Side effects ! - This could be extracted into a dismissToast() action,
+      // but I'll keep it here for simplicity
+      if (toastId) {
+        addToRemoveQueue(toastId);
+      } else {
+        state.toasts.forEach((toast) => {
+          addToRemoveQueue(toast.id);
+        });
+      }
+
+      return {
+        ...state,
+        toasts: state.toasts.map((t) =>
+          t.id === toastId || toastId === undefined
+            ? {
+                ...t,
+                open: false,
+              }
+            : t
+        ),
+      };
+    }
+    case "REMOVE_TOAST":
+      if (action.toastId === undefined) {
+        return {
+          ...state,
+          toasts: [],
+        };
+      }
+      return {
+        ...state,
+        toasts: state.toasts.filter((t) => t.id !== action.toastId),
+      };
+  }
+};
+
+const listeners: Array<(state: State) => void> = [];
+
+let memoryState: State = { toasts: [] };
+
+function dispatch(action: Action) {
+  memoryState = reducer(memoryState, action);
+  listeners.forEach((listener) => {
+    listener(memoryState);
+  });
+}
+
+type Toast = Omit<ToasterToast, "id">;
+const shownMessages = new Set<string>();
+
+function toast({ ...props }: Toast) {
+  const id = genId();
+
+  // Prevent same message from being shown repeatedly
+  const messageKey = `${props.title}-${props.description}`;
+  if (shownMessages.has(messageKey)) {
+    return {
+      id,
+      dismiss: () => {},
+      update: () => {},
+    };
+  }
+
+  shownMessages.add(messageKey);
+  setTimeout(() => shownMessages.delete(messageKey), 3000); // allow to re-show after 3s
+
+  const update = (props: ToasterToast) =>
+    dispatch({
+      type: "UPDATE_TOAST",
+      toast: { ...props, id },
+    });
+  const dismiss = () => dispatch({ type: "DISMISS_TOAST", toastId: id });
+
+  dispatch({
+    type: "ADD_TOAST",
+    toast: {
+      ...props,
+      id,
+      open: true,
+      onOpenChange: (open) => {
+        if (!open) dismiss();
+      },
+    },
+  });
+
+  return {
+    id: id,
+    dismiss,
+    update,
+  };
+}
+
+function useToast() {
+  const [state, setState] = React.useState<State>(memoryState);
+
+  React.useEffect(() => {
+    listeners.push(setState);
+    return () => {
+      const index = listeners.indexOf(setState);
+      if (index > -1) {
+        listeners.splice(index, 1);
+      }
+    };
+  }, [state]);
+
+  return {
+    ...state,
+    toast,
+    dismiss: (toastId?: string) => dispatch({ type: "DISMISS_TOAST", toastId }),
+  };
+}
+
+export { useToast, toast };