Create base migration logic

src/migration.ts

@@ -47,5 +47,7 @@ export async function startMigration(args: String[]) {
 	// Do the migration
 	await migration.func();
 
+	console.info("Finished.")
+
 	process.exit(0);
 }

src/migrations/AccountImageMigration.ts

@@ -0,0 +1,63 @@
+/**
+ * The Account image migration
+ * 
+ * In May 2020, I moved the references to account images
+ * from simple txt files to the database, in order to 
+ * improve both performances and beauty.
+ * 
+ * This migration (which should be run only once and immediatly
+ * after API update) ensures that the database is filled with appropriate 
+ * account image informations)
+ * 
+ * @author Pierre Hubert
+ */
+
+import { pathUserData } from "../utils/UserDataUtils";
+import { readdirSync, readFileSync } from "fs";
+import { AccountImageVisibilityLevel } from "../entities/User";
+
+const AVATARS_PATH = "avatars/";
+const AVATARS_ADDRESSES_FILES = "avatars/adresse_avatars/";
+
+enum OldAccountImageVisibilityLevel {
+	FRIENDS = 1,
+	COMUNIC_USERS = 2,
+	EVERYONE = 3
+}
+
+const VisibilityLevelsMap = {};
+VisibilityLevelsMap[OldAccountImageVisibilityLevel.FRIENDS] = AccountImageVisibilityLevel.FRIENDS
+VisibilityLevelsMap[OldAccountImageVisibilityLevel.COMUNIC_USERS] = AccountImageVisibilityLevel.COMUNIC_USERS
+VisibilityLevelsMap[OldAccountImageVisibilityLevel.EVERYONE] = AccountImageVisibilityLevel.EVERYONE
+
+
+export async function accountImageMigration() {
+	const pathFilesDatabase = pathUserData(AVATARS_ADDRESSES_FILES, true);
+
+	// Process each file
+	const list = readdirSync(pathFilesDatabase);
+
+	for (const file of list) {
+		
+		// Ingore additional files
+		if(file == ".htaccess" || file.endsWith(".php") || file.includes("jpg"))
+			continue;
+
+		const fileContent = readFileSync(pathFilesDatabase + file);
+		const userID = Number(file.replace(".txt", "").replace("limit_view_", ""));
+
+		// Account image path
+		if(!file.includes("limit_view_")) {
+			const newPath = AVATARS_PATH + fileContent;
+
+			console.info("User " + userID + "\tAccount image: " + newPath);
+		}
+
+		// Account image visibility
+		else {
+			const newVisibililty = VisibilityLevelsMap[Number(fileContent)];
+
+			console.info("User " + userID + "\tVisibility: " + newVisibililty);
+		}
+	}
+}

src/migrations/MigrationsList.ts

@@ -4,6 +4,8 @@
  * @author Pierre Hubert
  */
 
+import { accountImageMigration } from "./AccountImageMigration";
+
 interface Migration {
 	id: string,
 	func: () => Promise<void>
@@ -14,7 +16,7 @@ export const MigrationsList : Migration[] = [
 	// Account image migration (files -> database, May 2020)
 	{
 		id: "account_image_2020",
-		func: undefined
+		func: accountImageMigration
 	}
 
 ]