fix(core): update

ts/docker.classes.image.ts

@@ -1,38 +1,104 @@
-import * as plugins from './dockersock.plugins';
+import * as plugins from './docker.plugins';
+import * as interfaces from './interfaces';
 import { DockerHost } from './docker.classes.host';
 
 export class DockerImage {
   // STATIC
-  public static async createFromRegistry(
-    dockerHostArg: DockerHost,
-    dockerImageTag
-  ): Promise<DockerImage> {
-    const resultingImage = new DockerImage();
-
-    return resultingImage;
+  public static async getImages(dockerHost: DockerHost) {
+    const images: DockerImage[] = [];
+    const response = await dockerHost.request('GET', '/images/json');
+    for (const imageObject of response.body) {
+      images.push(new DockerImage(dockerHost, imageObject));
+    }
+    return images;
   }
 
-  public static async createFromExistingImage(dockerHostArg: DockerHost, dockerImageTag) {}
+  public static async createFromRegistry(
+    dockerHostArg: DockerHost,
+    creationObject: interfaces.IImageCreationDescriptor
+  ): Promise<DockerImage> {
+    const response = await dockerHostArg.request(
+      'POST',
+      `/images/create?fromImage=${encodeURIComponent(
+        creationObject.imageUrl
+      )}&tag=${encodeURIComponent(creationObject.tag)}`
+    );
+    if (response.statusCode < 300) {
+      plugins.smartlog.defaultLogger.log(
+        'info',
+        `Successfully pulled image ${creationObject.imageUrl} from the registry`
+      );
+      const image = (await DockerImage.getImages(dockerHostArg)).find(image => true);
+      return image;
+    } else {
+      plugins.smartlog.defaultLogger.log('error', `Failed at the attempt of creating a new image`);
+    }
+  }
+
+  public static async tagImageByIdOrName(
+    dockerHost: DockerHost,
+    idOrNameArg: string,
+    newTagArg: string
+  ) {
+    const response = await dockerHost.request(
+      'POST',
+      `/images/${encodeURIComponent(idOrNameArg)}/${encodeURIComponent(newTagArg)}`
+    );
+  }
+
+  public static async buildImage(dockerHostArg: DockerHost, dockerImageTag) {
+    // TODO: implement building an image
+  }
 
   // INSTANCE
+  // references
+  public dockerHost: DockerHost;
+
+  // properties
   /**
    * the tags for an image
    */
-  public tags: string[] = [];
+  public tags: string[];
+  public Containers: number;
+  public Created: number;
+  public Id: string;
+  public Labels: interfaces.TLabels;
+  public ParentId: string;
+  public RepoDigests: string[];
+  public RepoTags: string[];
+  public SharedSize: number;
+  public Size: number;
+  public VirtualSize: number;
+
+  constructor(dockerHostArg, dockerImageObjectArg: any) {
+    this.dockerHost = dockerHostArg;
+    Object.keys(dockerImageObjectArg).forEach(keyArg => {
+      this[keyArg] = dockerImageObjectArg[keyArg];
+    });
+  }
 
   /**
    * returns a boolean wether the image has a upstream image
    */
   public isUpstreamImage(): boolean {
     // TODO: implement isUpastreamImage
-    return true;
+    return this.RepoTags.length > 0;
   }
 
   /**
-   *
+   * pulls the latest version from the registry
    */
   public async pullLatestImageFromRegistry(): Promise<boolean> {
-    // TODO: implement pullLatestImageFromRegistry
+    const dockerImageUrl = this.RepoTags[0].split(':')[0];
+    const dockerImageTag = this.RepoTags[0].split(':')[1];
+    const updatedImage = await DockerImage.createFromRegistry(this.dockerHost, {
+      imageUrl: dockerImageUrl,
+      tag: dockerImageTag
+    });
+    Object.assign(this, updatedImage);
+    // TODO: Compare image digists before and after
     return true;
   }
+
+
 }