updated example

Author: ashtonjamesd

doc/api/errors.md

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+# Error Handling
+
+You have the freedom to handle errors however you like. However, Lavandula provides a interface for returning JSON errors from your controllers.
+
+
+
+```
+
+```

examples/foodApp/README.md

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+# My Lavandula Project
+
+## Getting Started
+
+Run your project:
+```bash
+lavu run
+```

examples/foodApp/app/app.c

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+#include "../lavandula/include/lavandula.h"
+#include "routes.h"
+
+int main() {
+    AppBuilder builder = createBuilder();
+    usePort(&builder, 8080);
+
+    App app = build(builder);
+
+    registerRoutes(&app);
+
+    runApp(&app);
+
+    return 0;
+}

examples/foodApp/app/controllers/auth.c

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+#include "../../lavandula/include/lavandula.h"
+
+appRoute(registerUser, ctx) {
+    return notImplementedYet();
+}
+
+appRoute(loginUser, ctx) {
+    return notImplementedYet();
+}
+
+appRoute(logoutUser, ctx) {
+    return notImplementedYet();
+}

examples/foodApp/app/controllers/controllers.h

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+#ifndef controllers_h
+#define controllers_h
+
+#include "../../lavandula/include/lavandula.h"
+
+appRoute(registerUser, ctx);
+appRoute(loginUser, ctx);
+appRoute(logoutUser, ctx);
+
+#endif

examples/foodApp/app/controllers/donations.c

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+#include "../../lavandula/include/lavandula.h"
+
+appRoute(getDonations, ctx) {
+    return notImplementedYet();
+}
+
+appRoute(getDonation, ctx) {
+    return notImplementedYet();
+}
+
+appRoute(createDonation , ctx) {
+    return notImplementedYet();
+}

examples/foodApp/app/middleware/middleware.h

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+#ifndef app_middleware_h
+#define app_middleware_h
+
+#include "../../lavandula/include/lavandula.h"
+
+middleware(registerUserValidator, ctx, m);
+middleware(loginUserValidator, ctx, m);
+middleware(logoutUserValidator, ctx, m);
+
+#endif

examples/foodApp/app/middleware/validators.c

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+#include "../../lavandula/include/lavandula.h"
+#include "middleware.h"
+
+HttpResponse successOrFailureResponse(bool success, char *message) {
+    JsonBuilder *builder = jsonBuilder();
+    jsonPutBool(builder, "success", success);
+    jsonPutString(builder, "message", message);
+
+    char *json = jsonStringify(builder);
+    freeJsonBuilder(builder);
+
+    return response(json, HTTP_BAD_REQUEST, APPLICATION_JSON);
+}
+
+HttpResponse success(char *message) {
+    return successOrFailureResponse(true, message);
+}
+
+HttpResponse failure(char *message) {
+    return successOrFailureResponse(false, message);
+
+}
+
+middleware(registerUserValidator, ctx, m) {
+    JsonBuilder *body = jsonParse(ctx.request.body);
+    if (!body) {
+        return failure("Error: no JSON body provided.");
+    }
+
+    if (!jsonHasKey(body, "username") || !jsonHasKey(body, "password")) {
+        freeJsonBuilder(body);
+        return failure("Missing 'username' or 'password' in request body");
+    }
+    freeJsonBuilder(body);
+
+    return next(ctx, m);
+}
+
+middleware(loginUserValidator, ctx, m) {
+    JsonBuilder *body = jsonParse(ctx.request.body);
+    if (!body) {
+        return failure("Error: no JSON body provided.");
+    }
+
+    if (!jsonHasKey(body, "username") || !jsonHasKey(body, "password")) {
+        freeJsonBuilder(body);
+        return failure("Missing 'username' or 'password' in request body");
+    }
+    freeJsonBuilder(body);
+
+    return next(ctx, m);
+}
+
+middleware(logoutUserValidator, ctx, m) {
+    return next(ctx, m);
+}

examples/foodApp/app/routes.c

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+#include "../lavandula/include/lavandula.h"
+
+#include "controllers/controllers.h"
+#include "middleware/middleware.h"
+
+void registerRoutes(App *app) {
+    Route registerUserRoute = get(app, "/api/register", registerUser);
+    useLocalMiddleware(&registerUserRoute, registerUserValidator);
+
+    Route loginUserRoute = post(app, "/api/login", loginUser);
+    useLocalMiddleware(&loginUserRoute, loginUserValidator);
+
+    Route logoutUserRoute = post(app, "/api/logout", logoutUser);
+    useLocalMiddleware(&logoutUserRoute, logoutUserValidator);
+}

examples/foodApp/app/routes.h

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+#ifndef routes_h
+#define routes_h
+
+#include "../lavandula/include/lavandula.h"
+
+void registerRoutes(App *app);
+
+#endif