Code reorganization

src/GlitchDB.ts

@@ -0,0 +1,87 @@
+import tar = require("tar");
+import { DEFAULT_CACHE_SIZE } from "./constants";
+import GlitchPartitionImpl, {
+  GlitchPartition,
+  GlitchUnitemporallyVersionedPartition,
+} from "./GlitchPartition";
+
+export default class GlitchDB {
+  #baseDir: string;
+  #defaultCacheSize?: number;
+  #partitions: {
+    [key: string]: {
+      name: string;
+      cache: number;
+      versioned: boolean;
+    };
+  };
+
+  constructor(baseDir: string, defaultCacheSize?: number) {
+    this.#baseDir = baseDir;
+    this.#defaultCacheSize = defaultCacheSize ?? DEFAULT_CACHE_SIZE;
+    this.#partitions = {};
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  getPartitionByName(name: string): GlitchPartition<any> {
+    if (name in this.#partitions) {
+      const partition = this.#partitions[name];
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      return this.getPartition<any>(partition.name, null, partition.cache);
+    }
+    throw new Error(`Glitch Partition with name ${name} not found`);
+  }
+
+  backup(outputDirectory: string): string {
+    const fileLocation = `${outputDirectory}/backup-${new Date().getTime()}.tgz`;
+    tar.create(
+      {
+        gzip: true,
+        sync: true,
+        cwd: this.#baseDir,
+        file: fileLocation,
+      },
+      ["."]
+    );
+    return fileLocation;
+  }
+
+  getPartition<Type>(
+    name: string,
+    indices?: string[],
+    cacheSize?: number
+  ): GlitchPartition<Type> {
+    const cacheSizeWithDefault = cacheSize ?? this.#defaultCacheSize;
+    this.#partitions[name] = {
+      name,
+      cache: cacheSizeWithDefault,
+      versioned: false,
+    };
+    return new GlitchPartitionImpl<Type>(
+      this,
+      `${this.#baseDir}/${name}`,
+      cacheSizeWithDefault,
+      indices
+    );
+  }
+
+  getVersionedPartition<Type>(
+    name: string,
+    indices?: string[],
+    cacheSize?: number
+  ): GlitchUnitemporallyVersionedPartition<Type> {
+    const cacheSizeWithDefault = cacheSize ?? this.#defaultCacheSize;
+    this.#partitions[name] = {
+      name,
+      cache: cacheSizeWithDefault,
+      versioned: true,
+    };
+    return new GlitchPartitionImpl<Type>(
+      this,
+      `${this.#baseDir}/${name}`,
+      cacheSizeWithDefault,
+      indices,
+      true
+    );
+  }
+}