Add broken URI handling

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/utilities/dimensions.ts

@@ -1,9 +1,35 @@
 const getFlashListItemHeight = (numColumns: number) => {
-  const A = 500;
-  const B = 300;
-  const C = 1;
-  const height = A - B * Math.log(numColumns + C);
-  return Math.max(Math.round(height), 0);
+  switch (numColumns) {
+    case 1: {
+      return 350;
+    }
+    case 2: {
+      return 180;
+    }
+    case 3: {
+      return 120;
+    }
+    case 4: {
+      return 90;
+    }
+  }
 };
 
-export { getFlashListItemHeight };
+const getFontAwesome5IconSize = (numColumns: number) => {
+  switch (numColumns) {
+    case 1: {
+      return 40;
+    }
+    case 2: {
+      return 30;
+    }
+    case 3: {
+      return 20;
+    }
+    case 4: {
+      return 14;
+    }
+  }
+};
+
+export { getFlashListItemHeight, getFontAwesome5IconSize };

src/utilities/filesystem.ts

@@ -11,7 +11,7 @@ const allowedGifMimeTypes = ['image/gif'];
 
 const allowedMimeTypes = [...allowedImageMimeTypes, ...allowedGifMimeTypes];
 
-const getMemeType = (mimeType: string) => {
+const getMemeType = (mimeType: string): MEME_TYPE | undefined => {
   switch (mimeType) {
     case 'image/bmp':
     case 'image/jpeg':

src/utilities/index.ts

@@ -8,7 +8,7 @@ export {
 } from './color';
 export { packageName, appName, fileProvider, noOp } from './constants';
 export { multipleIdQuery } from './database';
-export { getFlashListItemHeight } from './dimensions';
+export { getFlashListItemHeight, getFontAwesome5IconSize } from './dimensions';
 export {
   allowedImageMimeTypes,
   allowedGifMimeTypes,

src/utilities/meme.ts

@@ -5,6 +5,7 @@ import Share from 'react-native-share';
 import Clipboard from '@react-native-clipboard/clipboard';
 import { Meme } from '../database';
 import { ROUTE, RootStackParamList } from '../types';
+import { noOp } from './constants';
 
 const favoriteMeme = (realm: Realm, meme: Meme) => {
   realm.write(() => {
@@ -23,7 +24,9 @@ const shareMeme = async (meme: Meme) => {
   });
 };
 
-const copyMeme = (meme: Meme) => {
+const copyMeme = async (meme: Meme) => {
+  const exists = await FileSystem.exists(meme.uri);
+  if (!exists) throw new Error('File does not exist');
   Clipboard.setURI(meme.uri);
 };
 
@@ -35,7 +38,7 @@ const editMeme = (
 };
 
 const deleteMeme = async (realm: Realm, meme: Meme) => {
-  await FileSystem.unlink(meme.uri);
+  await FileSystem.unlink(meme.uri).catch(noOp);
 
   realm.write(() => {
     for (const tag of meme.tags) {