feat: add button to clear cache directory

Signed-off-by: Tommy van der Vorst <tommy@pixelspark.nl>

Author: pixelspark

Localizable.xcstrings

@@ -5962,6 +5962,52 @@
         }
       }
     },
+    "Cache directory cleared" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cache-Verzeichnis gelöscht"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Directorio de caché borrado"
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Directory cache svuotata"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "キャッシュディレクトリをクリアしました"
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cachemap gewist"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Каталог кешу очищено"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "缓存目录已清除"
+          }
+        }
+      }
+    },
     "Cache inside folder" : {
       "localizations" : {
         "de" : {
@@ -6744,6 +6790,52 @@
         }
       }
     },
+    "Clear cache directory" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cache-Verzeichnis leeren"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Limpiar directorio de caché"
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cancella la directory della cache"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "キャッシュディレクトリをクリア"
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cachemap wissen"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Очистити каталог кешу"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "清除缓存目录"
+          }
+        }
+      }
+    },
     "Clear thumbnail cache" : {
       "localizations" : {
         "de" : {
@@ -17224,6 +17316,52 @@
         }
       }
     },
+    "Ignored discovered devices reset" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Ignorierte gefundene Geräte zurücksetzen"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Restablecer dispositivos descubiertos ignorados"
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Reimposta dispositivi rilevati ignorati"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "無視された発見済みデバイスをリセット"
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Genegeerde ontdekte apparaten opnieuw instellen"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Ігноровані виявлені пристрої скинуто"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "重置已忽略的发现设备"
+          }
+        }
+      }
+    },
     "IMG_2020.MOV" : {
       "localizations" : {
         "de" : {
@@ -24510,6 +24648,52 @@
         }
       }
     },
+    "Removed v1 database back-up" : {
+      "localizations" : {
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "v1-Datenbank-Backup entfernt"
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Copia de seguridad de la base de datos v1 eliminada"
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Backup del database v1 rimosso"
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "v1データベースのバックアップを削除しました"
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "v1-databaseback-up verwijderd"
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "резервну копію бази даних v1 видалено"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "已删除 v1 数据库备份"
+          }
+        }
+      }
+    },
     "Removing originals" : {
       "localizations" : {
         "de" : {

Sushitrain/SupportView.swift

@@ -306,6 +306,9 @@ struct TroubleshootingView: View {
 	@State private var hasLegacyDatabase = false
 	@State private var performingDatabaseMaintenance = false
 	@State private var databaseSize: Int64? = nil
+	@State private var showIgnoredDiscoveredReset = false
+	@State private var showV1BackupRemoved = false
+	@State private var showCacheCleared = false
 
 	private static let formatter = ByteCountFormatter()
 
@@ -396,6 +399,9 @@ struct TroubleshootingView: View {
 					#if os(macOS)
 						.buttonStyle(.link)
 					#endif
+					.alert("Removed v1 database back-up", isPresented: $showV1BackupRemoved) {
+						Button("OK") {}
+					}
 				} footer: {
 					Text(
 						"After a database upgrade, a copy of the old version is retained for a while. This copy may take up a significant amount of storage space. If everything is working as expected, it is safe to remove this back-up."
@@ -406,6 +412,19 @@ struct TroubleshootingView: View {
 			Section {
 				Button("Reset ignored discovered devices", role: .destructive) {
 					appState.userSettings.ignoreDiscoveredDevices.removeAll()
+					showIgnoredDiscoveredReset = true
+				}
+				.alert("Ignored discovered devices reset", isPresented: $showIgnoredDiscoveredReset) {
+					Button("OK") {}
+				}
+			}
+
+			Section {
+				Button("Clear cache directory", role: .destructive) {
+					self.clearCacheDirectory()
+				}
+				.alert("Cache directory cleared", isPresented: $showCacheCleared) {
+					Button("OK") {}
 				}
 			}
 		}
@@ -461,6 +480,29 @@ struct TroubleshootingView: View {
 			}
 			await self.updateDatabaseInfo()
 			self.performingDatabaseMaintenance = false
+			self.showV1BackupRemoved = true
+		}
+	}
+
+	private func clearCacheDirectory() {
+		let fileManager = FileManager.default
+		if let cacheURL = fileManager.urls(for: .cachesDirectory, in: .userDomainMask).first {
+			do {
+				let directoryContents = try fileManager.contentsOfDirectory(
+					at: cacheURL, includingPropertiesForKeys: nil, options: [])
+				for file in directoryContents {
+					do {
+						try fileManager.removeItem(at: file)
+					}
+					catch {
+						Log.warn("failed to remove cache file: \(error.localizedDescription)")
+					}
+				}
+			}
+			catch let error as NSError {
+				print(error.localizedDescription)
+			}
 		}
+		self.showCacheCleared = true
 	}
 }