[TMA 446] Create category (#144)

* Added welcome page

* Working code

* Small fix

* Some more cleanup

* Fixes

* Cleanup

* Fix again

* Use gradient for white bg as well

* Fixed type

2 files changed, 89 insertions, 0 deletions

diff --git a/src/services/MomentCategoryService.ts b/src/services/MomentCategoryService.ts
new file mode 100644
index 00000000..8bdb70d2
--- /dev/null
+++ b/src/services/MomentCategoryService.ts
@@ -0,0 +1,88 @@
+import {Alert} from 'react-native';
+import {MomentCategoryType} from './../types/types';
+import {MOMENT_CATEGORY_ENDPOINT} from '../constants';
+
+export const loadMomentCategories: (
+  userId: string,
+  token: string,
+) => Promise<MomentCategoryType[]> = async (userId, token) => {
+  let categories: MomentCategoryType[] = [];
+  try {
+    const response = await fetch(MOMENT_CATEGORY_ENDPOINT + `${userId}/`, {
+      method: 'GET',
+      headers: {
+        Authorization: 'Token ' + token,
+      },
+    });
+    const status = response.status;
+    if (status === 200) {
+      const data = await response.json();
+      categories = data['categories'];
+    } else {
+      console.log('Could not load categories!');
+      return [];
+    }
+  } catch (err) {
+    console.log(err);
+    return [];
+  }
+  return categories;
+};
+
+export const postMomentCategories: (
+  categories: Array<MomentCategoryType>,
+  token: string,
+) => Promise<boolean> = async (categories, token) => {
+  let success = false;
+  try {
+    const response = await fetch(MOMENT_CATEGORY_ENDPOINT, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: 'Token ' + token,
+      },
+      body: JSON.stringify({categories}),
+    });
+    const status = response.status;
+    if (status === 200) {
+      success = true;
+    } else {
+      Alert.alert('There was a problem creating categories!');
+      console.log('Could not post categories!');
+    }
+  } catch (err) {
+    console.log(err);
+    return success;
+  }
+  return success;
+};
+
+export const deleteMomentCategories: (
+  categories: Array<MomentCategoryType>,
+  userId: string,
+  token: string,
+) => Promise<boolean> = async (categories, userId, token) => {
+  let success = false;
+  try {
+    const response = await fetch(MOMENT_CATEGORY_ENDPOINT + `${userId}/`, {
+      method: 'DELETE',
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: 'Token ' + token,
+      },
+      body: JSON.stringify({categories}),
+    });
+    const status = response.status;
+    if (status === 200) {
+      Alert.alert(`The category was successfully deleted!`);
+      success = true;
+    } else {
+      Alert.alert('There was a problem while deleteing category!');
+      console.log('Could not delete category!');
+    }
+  } catch (err) {
+    console.log(err);
+    return success;
+  }
+  return success;
+};
diff --git a/src/services/index.ts b/src/services/index.ts
index bce3a75a..d98996ba 100644
--- a/src/services/index.ts
+++ b/src/services/index.ts
@@ -5,3 +5,4 @@ export * from './ExploreServices';
 export * from './UserFollowServices';
 export * from './ReportingService';
 export * from './BlockUserService';
+export * from './MomentCategoryService';