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single-resource-subject.ts
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single-resource-subject.ts
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import Subject from "../subject";
import * as Errors from "../../response/errors";
import App from "../../app/app";
import Collection from "../../chip-types/collection";
import Context from "../../context";
import { LooseObject } from "../types";
import { ActionName } from "../../action";
import ItemList from "../../chip-types/item-list";
/** This subject handles a single resource, given the resource ID. @internal */
export default class SingleResource extends Subject {
/** The collection of the resource*/
collection: Collection;
/** THe id of the resource */
resource_id: string;
/** The constructor @internal */
constructor(app: App, collection: Collection, resource_id: string) {
super(app);
this.collection = collection;
this.resource_id = resource_id;
}
getName() {
return "SingleResource";
}
async performAction(context: Context, action_name: ActionName, args?: any) {
switch (action_name) {
case "show":
return this.getResource(context, args);
case "edit":
return this.editResource(context, args, false);
case "replace":
return this.editResource(context, args, true);
case "delete":
return this.deleteResource(context, args);
default:
throw new Errors.DeveloperError(
`Unknown action for '${this.collection.name}' resource: '${action_name}'`
);
}
}
async getResource(
context: Context,
args: { format?: {}; attachments?: LooseObject }
) {
context.app.Logger.debug("SINGLE RESOURCE CONTEXT", "getResource", {
args,
});
const [ret] = await this.collection
.list(context)
.ids([this.resource_id])
.format(args.format)
.fetch();
await ret.loadAttachments(context, args.attachments);
return ret;
}
async getChildSubject() {
return null;
}
async editResource(
context: Context,
values_to_patch: any,
delete_empty_values: boolean
) {
const item = await this.collection.getByID(context, this.resource_id);
if (delete_empty_values) {
item.replace(values_to_patch);
} else {
item.setMultiple(values_to_patch);
}
await item.save(context);
await item.decode(context);
return item;
}
async deleteResource(context: Context, _: LooseObject) {
return (
await this.collection.getByID(context, this.resource_id)
).remove(context);
}
}

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single-resource-subject.ts (2 KB)

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