perf: cut MongoDB scans in repository workflows (#780)

* Add repository name index

* Optimize repository file counts

* Optimize MongoDB query workloads

src/core/model/anonymizedGists/anonymizedGists.schema.ts

@@ -14,7 +14,7 @@ const AnonymizedGistSchema = new Schema({
   anonymizeDate: Date,
   lastView: Date,
   pageView: Number,
-  owner: Schema.Types.ObjectId,
+  owner: { type: Schema.Types.ObjectId, index: true },
   conference: String,
   source: {
     gistId: String,

src/core/model/anonymizedPullRequests/anonymizedPullRequests.schema.ts

@@ -14,7 +14,7 @@ const AnonymizedPullRequestSchema = new Schema({
   anonymizeDate: Date,
   lastView: Date,
   pageView: Number,
-  owner: Schema.Types.ObjectId,
+  owner: { type: Schema.Types.ObjectId, index: true },
   conference: String,
   source: {
     pullRequestId: Number,

src/core/model/anonymizedRepositories/anonymizedRepositories.schema.ts

@@ -77,4 +77,15 @@ const AnonymizedRepositorySchema = new Schema({
   },
 });
 
+AnonymizedRepositorySchema.index({ "source.repositoryName": 1 });
+AnonymizedRepositorySchema.index({ status: 1, statusDate: 1 });
+AnonymizedRepositorySchema.index({ lastView: 1 });
+AnonymizedRepositorySchema.index({ anonymizeDate: 1 });
+AnonymizedRepositorySchema.index({ status: 1, isReseted: 1, lastView: 1 });
+AnonymizedRepositorySchema.index({
+  status: 1,
+  isReseted: 1,
+  "options.expirationDate": 1,
+});
+
 export default AnonymizedRepositorySchema;

src/core/model/conference/conferences.schema.ts

@@ -55,4 +55,7 @@ const RepositorySchema = new Schema({
   },
 });
 
+RepositorySchema.index({ owners: 1 });
+RepositorySchema.index({ status: 1, endDate: 1 });
+
 export default RepositorySchema;

src/core/model/files/files.schema.ts

@@ -13,6 +13,14 @@ const FileSchema = new Schema({
 });
 
 FileSchema.index({ path: 1, repoId: 1 });
+FileSchema.index(
+  { repoId: 1, size: 1, path: 1 },
+  { name: "repoId_1_size_1_path_1" }
+);
+FileSchema.index(
+  { repoId: 1, path: 1, name: 1 },
+  { name: "repoId_1_path_1_name_1" }
+);
 
 FileSchema.methods.toString = function () {
   return `${this.path}/${this.name}`;

src/core/model/users/users.schema.ts

@@ -58,4 +58,6 @@ const UserSchema = new Schema({
   },
 });
 
+UserSchema.index({ dateOfEntry: 1 });
+
 export default UserSchema;