BIG FAT CLEANUP PART ONE

src/utils/metadata.ts

@@ -0,0 +1,183 @@
+import { invoke } from '@tauri-apps/api'
+import { dataDir } from '@tauri-apps/api/path'
+import { getConfig } from './configuration'
+import { getGameExecutable } from './game'
+
+export async function patchMetadata() {
+  const metadataExists = await invoke('dir_exists', {
+    path: getGameMetadataPath() + '\\global-metadata.dat'
+  })
+
+  if (!metadataExists) {
+    alert('Global metadata not found!')
+    return
+  }
+
+  console.log('Copying unpatched metadata to backup location')
+
+  // Copy unpatched metadata to backup location
+  const copiedMeta = await invoke('copy_file_with_new_name', {
+    path: await getGameMetadataPath() + '\\global-metadata.dat',
+    newPath: await getBackupMetadataPath(),
+    newName: 'global-metadata-unpatched.dat'
+  })
+
+  if (!copiedMeta) {
+    alert('Failed to backup metadata!')
+    console.log(await getBackupMetadataPath())
+    return false
+  }
+
+  // backup was successful! Time to patch
+
+  console.log('Patching backedup metadata')
+
+  const patchedMeta = await invoke('patch_metadata', {
+    metadataFolder: await getBackupMetadataPath(),
+  })
+
+  if (!patchedMeta) {
+    alert('Failed to patch metadata!')
+    return false
+  }
+
+  // Patch also worked! Time to replace
+  console.log('Replacing unpatched game metadata with patched metadata')
+
+  const replacedMeta = await invoke('copy_file_with_new_name', {
+    path: await getBackupMetadataPath() + '\\global-metadata-patched.dat',
+    newPath: await getGameMetadataPath(),
+    newName: 'global-metadata.dat'
+  })
+
+  if (!replacedMeta) {
+    alert('Failed to replace game metadata!')
+    return false
+  }
+
+  console.log('Replacement successful!')
+
+  return true
+}
+
+export async function patchGame() {
+  const backupExists = await invoke('dir_exists', {
+    path: await getBackupMetadataPath() + '\\global-metadata-unpatched.dat'
+  })
+
+  if (!backupExists) {
+    // No backup found? Patching creates one
+    const patched = await patchMetadata()
+
+    if (!patched) {
+      return false
+    }
+  }
+
+  // Are we already patched? If so, that's fine, just continue as normal
+  const gameIsPatched = await invoke('are_files_identical', {
+    path1: await getBackupMetadataPath() + '\\global-metadata-patched.dat',
+    path2: await getGameMetadataPath() + '\\global-metadata.dat'
+  })
+
+  if (gameIsPatched) {
+    return true
+  }
+
+  // Is the current backup the same as the games current metadata?
+  const backupIsCurrent = await invoke('are_files_identical', {
+    path1: await getBackupMetadataPath() + '\\global-metadata-unpatched.dat',
+    path2: await getGameMetadataPath() + '\\global-metadata.dat'
+  })  
+
+  // Game has probably been updated. We need to repatch the game...
+  if (!backupIsCurrent) {
+    const deletedOldBackup = await invoke('delete_file', {
+      path: await getBackupMetadataPath() + '\\global-metadata-unpatched.dat'
+    })
+    const deletedOldPatched = await invoke('delete_file', {
+      path: await getBackupMetadataPath() + '\\global-metadata-patched.dat'
+    })
+
+    // It's fine if these deletes fail. The game will be replaced anyway.
+    if (!deletedOldBackup) {
+      console.log('Warning: Failed to delete old backup!')
+    }
+
+    if (!deletedOldPatched) {
+      console.log('Warning: Failed to delete old patched metadata!')
+    }
+
+    console.log('Patching Metadata')
+
+    const patched = await patchMetadata()
+
+    if (!patched) {
+      return false
+    }
+
+    return true
+  }
+
+  console.log('Metadata is not patched')
+  console.log('Replacing unpatched metadata')
+
+  // Finally, replace the unpatched metadata with the patched one
+  const replaced = await invoke('copy_file_with_new_name', {
+    path: await getBackupMetadataPath() + '\\global-metadata-patched.dat',
+    newPath: await getGameMetadataPath(),
+    newName: 'global-metadata.dat'
+  })
+
+  if (!replaced) {
+    return false
+  }
+
+  return true
+}
+
+export async function unpatchGame() {
+  const backupExists = await invoke('dir_exists', {
+    path: getBackupMetadataPath + '\\global-metadata-unpatched.dat'
+  })
+
+  if (!backupExists) {
+    // Let's just hope the game isn't on a patched metadata since we don't have a backup...
+    return true
+  }
+
+  const metaPatched = await invoke('are_files_identical', {
+    path1: await getBackupMetadataPath() + '\\global-metadata-patched.dat',
+    path2: await getGameMetadataPath() + '\\global-metadata.dat'
+  })
+
+  if (!metaPatched) {
+    // Game isn't patched
+    return true
+  }
+
+  console.log('Replacing patched game metadata with unpatched metadata')
+
+  const replaced = await invoke('copy_file_with_new_name', {
+    path: await getBackupMetadataPath() + '\\global-metadata-unpatched.dat', 
+    newPath: getGameMetadataPath(),
+    newName: 'global-metadata.dat'
+  })
+
+  return replaced
+}
+
+export async function getGameMetadataPath() {
+  const config = await getConfig()
+  const gameExec = await getGameExecutable()
+
+  if (!gameExec) {
+    return null
+  }
+
+  return config.game_install_path + '\\' + gameExec.replace('.exe', '_Data') + '\\Managed\\Metadata'
+}
+
+export async function getBackupMetadataPath() {
+  return await dataDir() + 'cultivation\\metadata'
+}