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import { Db } from "mongodb";
import winston from "winston";
import loggerConfig from "./util/logger";
import { BranchNotFoundError } from "./errors";
interface Branch {
head: string;
}
interface BranchList {
[branch: string]: Branch;
}
export interface HeadIdentity {
organization: string;
repository: string;
branch: string;
head: string;
}
export interface Repository {
organization: string;
name: string;
branches: BranchList;
}
const logger = winston.createLogger(loggerConfig("META"));
class Metadata {
database: Db;
token: string;
constructor(client: Db, token: string) {
this.database = client;
this.token = token;
}
getToken(): string {
return this.token;
}
async getHeadCommit(
organization: string,
repository: string,
branch: string
): Promise<string | BranchNotFoundError> {
const result = await this.database
.collection<Repository>("repository")
.findOne({
organization,
name: repository,
["branches." + branch]: { $exists: true, $ne: null }
});
if (result !== null && Object.keys(result.branches).includes(branch)) {
const limb = result.branches[branch];
logger.debug(
"Found commit %s for ORB %s/%s/%s",
limb.head,
organization,
repository,
branch
);
return limb.head;
} else {
return new BranchNotFoundError();
}
}
async updateBranch(identity: HeadIdentity): Promise<boolean> {
const { organization, repository: name, branch, head } = identity;
const result = await this.database
.collection<Repository>("repository")
.findOneAndUpdate(
{ organization, name },
{ $set: { ["branches." + branch]: { head } } }
);
if (result.value == null) {
return this.createRepository(identity);
}
return result.ok === 1;
}
async createRepository(identity: HeadIdentity): Promise<boolean> {
const { organization, repository: name, branch, head } = identity;
const repo: Repository = {
organization,
name,
branches: { [branch]: { head } }
};
const { result } = await this.database
.collection<Repository>("repository")
.insertOne(repo);
return result.ok === 1;
}
}
export default Metadata;
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