Make "File usages" items clickable with correct URLs #6307 (#6405)

* Fix: URL generation for GlobalFileUsage in FileUsagesUiModel.kt for issue #6307

* Add clickable functionality to 'Usages on Other Wikis' in FileUsagesContainer for issue #6307

---------

Co-authored-by: Nicolas Raoul <nicolas.raoul@gmail.com>

Author: Kota-Jagadeesh

app/src/main/java/fr/free/nrw/commons/fileusages/FileUsagesUiModel.kt

@@ -1,18 +1,48 @@
 package fr.free.nrw.commons.fileusages
 
+import android.net.Uri
+import timber.log.Timber
+
 /**
- * Show where file is being used on Commons and oher wikis.
+ * shows where file is being used on Commons and other wikis.
  */
 data class FileUsagesUiModel(
     val title: String,
     val link: String?
 )
 
 fun FileUsage.toUiModel(): FileUsagesUiModel {
-    return FileUsagesUiModel(title = title, link = "https://commons.wikimedia.org/wiki/$title")
+    return FileUsagesUiModel(
+        title = title,
+        link = "https://commons.wikimedia.org/wiki/${Uri.encode(title.replace(" ", "_"))}"
+    )
 }
 
 fun GlobalFileUsage.toUiModel(): FileUsagesUiModel {
-    // link is associated with sub items under wiki group (which is not used ATM)
-    return FileUsagesUiModel(title = wiki, link = null)
-}
+    Timber.d("GlobalFileUsage: wiki=%s, title=%s", wiki, title)
+
+    // handles the  empty or invalid wiki/title
+    if (wiki.isEmpty() || title.isEmpty()) {
+        Timber.w("Invalid GlobalFileUsage: wiki=%s, title=%s", wiki, title)
+        return FileUsagesUiModel(title = title, link = null)
+    }
+
+    // determines the domain
+    val domain = when {
+        wiki.contains(".") -> wiki // Already a full domain like "en.wikipedia.org"
+        wiki == "commonswiki" -> "commons.wikimedia.org"
+        wiki.endsWith("wiki") -> {
+            val code = wiki.removeSuffix("wiki")
+            "$code.wikipedia.org"
+        }
+        else -> "$wiki.wikipedia.org" // fallback for codes like "en"
+    }
+
+    val normalizedTitle = Uri.encode(title.replace(" ", "_"))
+
+    // construct full URL
+    val url = "https://$domain/wiki/$normalizedTitle"
+    Timber.d("Generated URL for GlobalFileUsage: %s", url)
+
+    return FileUsagesUiModel(title = title, link = url)
+}

app/src/main/java/fr/free/nrw/commons/media/MediaDetailFragment.kt

@@ -2128,22 +2128,17 @@ fun FileUsagesContainer(
     val uriHandle = LocalUriHandler.current
 
     Column(modifier = modifier) {
-
         Row(
             modifier = Modifier.fillMaxWidth(),
             verticalAlignment = Alignment.CenterVertically,
             horizontalArrangement = Arrangement.SpaceBetween
         ) {
-
             Text(
                 text = stringResource(R.string.usages_on_commons_heading),
                 textAlign = TextAlign.Center,
                 style = MaterialTheme.typography.titleSmall
             )
-
-            IconButton(onClick = {
-                isCommonsListExpanded = !isCommonsListExpanded
-            }) {
+            IconButton(onClick = { isCommonsListExpanded = !isCommonsListExpanded }) {
                 Icon(
                     imageVector = if (isCommonsListExpanded) Icons.Default.KeyboardArrowUp
                     else Icons.Default.KeyboardArrowDown,
@@ -2157,11 +2152,8 @@ fun FileUsagesContainer(
                 MediaDetailViewModel.FileUsagesContainerState.Loading -> {
                     LinearProgressIndicator()
                 }
-
                 is MediaDetailViewModel.FileUsagesContainerState.Success -> {
-
                     val data = commonsContainerState.data
-
                     if (data.isNullOrEmpty()) {
                         ListItem(headlineContent = {
                             Text(
@@ -2181,19 +2173,19 @@ fun FileUsagesContainer(
                                 headlineContent = {
                                     Text(
                                         modifier = Modifier.clickable {
-                                            uriHandle.openUri(usage.link!!)
+                                            usage.link?.let { uriHandle.openUri(it) }
                                         },
                                         text = usage.title,
                                         style = MaterialTheme.typography.titleSmall.copy(
                                             color = Color(0xFF5A6AEC),
                                             textDecoration = TextDecoration.Underline
                                         )
                                     )
-                                })
+                                }
+                            )
                         }
                     }
                 }
-
                 is MediaDetailViewModel.FileUsagesContainerState.Error -> {
                     ListItem(headlineContent = {
                         Text(
@@ -2203,12 +2195,10 @@ fun FileUsagesContainer(
                         )
                     })
                 }
-
                 MediaDetailViewModel.FileUsagesContainerState.Initial -> {}
             }
         }
 
-
         Row(
             modifier = Modifier.fillMaxWidth(),
             verticalAlignment = Alignment.CenterVertically,
@@ -2219,10 +2209,7 @@ fun FileUsagesContainer(
                 textAlign = TextAlign.Center,
                 style = MaterialTheme.typography.titleSmall
             )
-
-            IconButton(onClick = {
-                isOtherWikisListExpanded = !isOtherWikisListExpanded
-            }) {
+            IconButton(onClick = { isOtherWikisListExpanded = !isOtherWikisListExpanded }) {
                 Icon(
                     imageVector = if (isOtherWikisListExpanded) Icons.Default.KeyboardArrowUp
                     else Icons.Default.KeyboardArrowDown,
@@ -2236,11 +2223,8 @@ fun FileUsagesContainer(
                 MediaDetailViewModel.FileUsagesContainerState.Loading -> {
                     LinearProgressIndicator()
                 }
-
                 is MediaDetailViewModel.FileUsagesContainerState.Success -> {
-
                     val data = globalContainerState.data
-
                     if (data.isNullOrEmpty()) {
                         ListItem(headlineContent = {
                             Text(
@@ -2259,16 +2243,20 @@ fun FileUsagesContainer(
                                 },
                                 headlineContent = {
                                     Text(
+                                        modifier = Modifier.clickable {
+                                            usage.link?.let { uriHandle.openUri(it) }
+                                        },
                                         text = usage.title,
                                         style = MaterialTheme.typography.titleSmall.copy(
+                                            color = Color(0xFF5A6AEC),
                                             textDecoration = TextDecoration.Underline
                                         )
                                     )
-                                })
+                                }
+                            )
                         }
                     }
                 }
-
                 is MediaDetailViewModel.FileUsagesContainerState.Error -> {
                     ListItem(headlineContent = {
                         Text(
@@ -2278,10 +2266,8 @@ fun FileUsagesContainer(
                         )
                     })
                 }
-
                 MediaDetailViewModel.FileUsagesContainerState.Initial -> {}
             }
         }
-
     }
-}
+}