[MINOR] Convert bson.D to bson.M where possible.

database/apikeys.go

@@ -187,8 +187,7 @@ func (db *DB) APIKeyDelete(ctx context.Context, user User, akID primitive.Object
 
 // APIKeyByKey returns a specific API key.
 func (db *DB) APIKeyByKey(ctx context.Context, key string) (APIKeyRecord, error) {
-	filter := bson.M{"key": key}
-	sr := db.staticAPIKeys.FindOne(ctx, filter)
+	sr := db.staticAPIKeys.FindOne(ctx, bson.M{"key": key})
 	if sr.Err() != nil {
 		return APIKeyRecord{}, sr.Err()
 	}
@@ -202,8 +201,7 @@ func (db *DB) APIKeyByKey(ctx context.Context, key string) (APIKeyRecord, error)
 
 // APIKeyGet returns a specific API key.
 func (db *DB) APIKeyGet(ctx context.Context, akID primitive.ObjectID) (APIKeyRecord, error) {
-	filter := bson.M{"_id": akID}
-	sr := db.staticAPIKeys.FindOne(ctx, filter)
+	sr := db.staticAPIKeys.FindOne(ctx, bson.M{"_id": akID})
 	if sr.Err() != nil {
 		return APIKeyRecord{}, sr.Err()
 	}

database/download.go

@@ -40,8 +40,7 @@ type DownloadResponse struct {
 // DownloadByID fetches a single download from the DB.
 func (db *DB) DownloadByID(ctx context.Context, id primitive.ObjectID) (*Download, error) {
 	var d Download
-	filter := bson.D{{"_id", id}}
-	sr := db.staticDownloads.FindOne(ctx, filter)
+	sr := db.staticDownloads.FindOne(ctx, bson.M{"_id": id})
 	err := sr.Decode(&d)
 	if err != nil {
 		return nil, err
@@ -129,13 +128,13 @@ func (db *DB) downloadsBy(ctx context.Context, matchStage bson.D, offset, pageSi
 // DownloadRecent returns the most recent download of the given skylink.
 func (db *DB) DownloadRecent(ctx context.Context, uID primitive.ObjectID, skylinkID primitive.ObjectID) (*Download, error) {
 	updatedAtThreshold := time.Now().UTC().Add(-1 * DownloadUpdateWindow)
-	filter := bson.D{
-		{"user_id", uID},
-		{"skylink_id", skylinkID},
-		{"updated_at", bson.D{{"$gt", updatedAtThreshold}}},
+	filter := bson.M{
+		"user_id":    uID,
+		"skylink_id": skylinkID,
+		"updated_at": bson.M{"$gt": updatedAtThreshold},
 	}
 	opts := options.FindOneOptions{
-		Sort: bson.D{{"updated_at", -1}},
+		Sort: bson.M{"updated_at": -1},
 	}
 	sr := db.staticDownloads.FindOne(ctx, filter, &opts)
 	var d Download

database/email.go

@@ -180,8 +180,7 @@ func (db *DB) PurgeEmailCollection(ctx context.Context) (int64, error) {
 	if build.Release != "testing" {
 		return 0, nil
 	}
-	filter := bson.M{}
-	dr, err := db.staticEmails.DeleteMany(ctx, filter)
+	dr, err := db.staticEmails.DeleteMany(ctx, bson.M{})
 	if err != nil {
 		return 0, err
 	}

database/schema.go

@@ -12,91 +12,91 @@ var (
 	Schema = map[string][]mongo.IndexModel{
 		collUsers: {
 			{
-				Keys:    bson.D{{"sub", 1}},
+				Keys:    bson.M{"sub": 1},
 				Options: options.Index().SetName("sub_unique").SetUnique(true),
 			},
 		},
 		collSkylinks: {
 			{
-				Keys:    bson.D{{"skylink", 1}},
+				Keys:    bson.M{"skylink": 1},
 				Options: options.Index().SetName("skylink_unique").SetUnique(true),
 			},
 		},
 		collUploads: {
 			{
-				Keys:    bson.D{{"user_id", 1}},
+				Keys:    bson.M{"user_id": 1},
 				Options: options.Index().SetName("user_id"),
 			},
 			{
-				Keys:    bson.D{{"skylink_id", 1}},
+				Keys:    bson.M{"skylink_id": 1},
 				Options: options.Index().SetName("skylink_id"),
 			},
 		},
 		collDownloads: {
 			{
-				Keys:    bson.D{{"user_id", 1}},
+				Keys:    bson.M{"user_id": 1},
 				Options: options.Index().SetName("user_id"),
 			},
 			{
-				Keys:    bson.D{{"skylink_id", 1}},
+				Keys:    bson.M{"skylink_id": 1},
 				Options: options.Index().SetName("skylink_id"),
 			},
 		},
 		collEmails: {
 			{
-				Keys:    bson.D{{"failed_attempts", 1}},
+				Keys:    bson.M{"failed_attempts": 1},
 				Options: options.Index().SetName("failed_attempts"),
 			},
 			{
-				Keys:    bson.D{{"locked_by", 1}},
+				Keys:    bson.M{"locked_by": 1},
 				Options: options.Index().SetName("locked_by"),
 			},
 			{
-				Keys:    bson.D{{"sent_at", 1}},
+				Keys:    bson.M{"sent_at": 1},
 				Options: options.Index().SetName("sent_at"),
 			},
 			{
-				Keys:    bson.D{{"sent_by", 1}},
+				Keys:    bson.M{"sent_by": 1},
 				Options: options.Index().SetName("sent_by"),
 			},
 		},
 		collChallenges: {
 			{
-				Keys:    bson.D{{"challenge", 1}},
+				Keys:    bson.M{"challenge": 1},
 				Options: options.Index().SetName("challenge"),
 			},
 			{
-				Keys:    bson.D{{"type", 1}},
+				Keys:    bson.M{"type": 1},
 				Options: options.Index().SetName("type"),
 			},
 			{
-				Keys:    bson.D{{"expires_at", 1}},
+				Keys:    bson.M{"expires_at": 1},
 				Options: options.Index().SetName("expires_at"),
 			},
 		},
 		collUnconfirmedUserUpdates: {
 			{
-				Keys:    bson.D{{"challenge_id", 1}},
+				Keys:    bson.M{"challenge_id": 1},
 				Options: options.Index().SetName("challenge_id"),
 			},
 			{
-				Keys:    bson.D{{"expires_at", 1}},
+				Keys:    bson.M{"expires_at": 1},
 				Options: options.Index().SetName("expires_at"),
 			},
 		},
 		collConfiguration: {
 			{
-				Keys:    bson.D{{"key", 1}},
+				Keys:    bson.M{"key": 1},
 				Options: options.Index().SetName("key_unique").SetUnique(true),
 			},
 		},
 		collAPIKeys: {
 			{
-				Keys:    bson.D{{"key", 1}},
+				Keys:    bson.M{"key": 1},
 				Options: options.Index().SetName("key_unique").SetUnique(true),
 			},
 			{
-				Keys:    bson.D{{"user_id", 1}},
+				Keys:    bson.M{"user_id": 1},
 				Options: options.Index().SetName("user_id"),
 			},
 		},

database/skylink.go

@@ -49,7 +49,7 @@ func (db *DB) Skylink(ctx context.Context, skylink string) (*Skylink, error) {
 		Skylink: skylinkHash,
 	}
 	// Try to find the skylink in the database.
-	filter := bson.D{{"skylink", skylinkHash}}
+	filter := bson.M{"skylink": skylinkHash}
 	upsert := bson.M{"$setOnInsert": bson.M{"skylink": skylinkHash}}
 	opts := options.FindOneAndUpdate().SetUpsert(true).SetReturnDocument(options.After)
 	sr := db.staticSkylinks.FindOneAndUpdate(ctx, filter, upsert, opts)
@@ -62,8 +62,7 @@ func (db *DB) Skylink(ctx context.Context, skylink string) (*Skylink, error) {
 
 // SkylinkByID finds a skylink by its ID.
 func (db *DB) SkylinkByID(ctx context.Context, id primitive.ObjectID) (*Skylink, error) {
-	filter := bson.D{{"_id", id}}
-	sr := db.staticSkylinks.FindOne(ctx, filter)
+	sr := db.staticSkylinks.FindOne(ctx, bson.M{"_id": id})
 	var sl Skylink
 	err := sr.Decode(&sl)
 	if err != nil {

database/upload.go

@@ -34,8 +34,7 @@ type UploadResponse struct {
 // UploadByID fetches a single upload from the DB.
 func (db *DB) UploadByID(ctx context.Context, id primitive.ObjectID) (*Upload, error) {
 	var d Upload
-	filter := bson.D{{"_id", id}}
-	sr := db.staticUploads.FindOne(ctx, filter)
+	sr := db.staticUploads.FindOne(ctx, bson.M{"_id": id})
 	err := sr.Decode(&d)
 	if err != nil {
 		return nil, err
@@ -105,10 +104,10 @@ func (db *DB) UnpinUploads(ctx context.Context, skylink Skylink, user User) (int
 	if user.ID.IsZero() {
 		return 0, errors.New("invalid user")
 	}
-	filter := bson.D{
-		{"skylink_id", skylink.ID},
-		{"user_id", user.ID},
-		{"unpinned", false},
+	filter := bson.M{
+		"skylink_id": skylink.ID,
+		"user_id":    user.ID,
+		"unpinned":   false,
 	}
 	update := bson.M{"$set": bson.M{"unpinned": true}}
 	ur, err := db.staticUploads.UpdateMany(ctx, filter, update)

database/user.go

@@ -167,8 +167,7 @@ func (db *DB) UserByEmail(ctx context.Context, email string) (*User, error) {
 
 // UserByID finds a user by their ID.
 func (db *DB) UserByID(ctx context.Context, id primitive.ObjectID) (*User, error) {
-	filter := bson.D{{"_id", id}}
-	c, err := db.staticUsers.Find(ctx, filter)
+	c, err := db.staticUsers.Find(ctx, bson.M{"_id": id})
 	if err != nil {
 		return nil, errors.AddContext(err, "failed to Find")
 	}
@@ -215,8 +214,7 @@ func (db *DB) UserByRecoveryToken(ctx context.Context, token string) (*User, err
 
 // UserByStripeID finds a user by their Stripe customer id.
 func (db *DB) UserByStripeID(ctx context.Context, id string) (*User, error) {
-	filter := bson.D{{"stripe_id", id}}
-	c, err := db.staticUsers.Find(ctx, filter)
+	c, err := db.staticUsers.Find(ctx, bson.M{"stripe_id": id})
 	if err != nil {
 		return nil, errors.AddContext(err, "failed to Find")
 	}
@@ -465,7 +463,7 @@ func (db *DB) UserDelete(ctx context.Context, u *User) error {
 		return errors.AddContext(ErrUserNotFound, "user struct not fully initialised")
 	}
 	// Delete all data associated with this user.
-	filter := bson.D{{"user_id", u.ID}}
+	filter := bson.M{"user_id": u.ID}
 	_, err := db.staticDownloads.DeleteMany(ctx, filter)
 	if err != nil {
 		return errors.AddContext(err, "failed to delete user downloads")
@@ -486,12 +484,12 @@ func (db *DB) UserDelete(ctx context.Context, u *User) error {
 	if err != nil {
 		return errors.AddContext(err, "failed to delete user API keys")
 	}
-	_, err = db.staticUnconfirmedUserUpdates.DeleteMany(ctx, bson.D{{"sub", u.Sub}})
+	_, err = db.staticUnconfirmedUserUpdates.DeleteMany(ctx, bson.M{"sub": u.Sub})
 	if err != nil {
 		return errors.AddContext(err, "failed to delete user unconfirmed updates")
 	}
 	// Delete the actual user.
-	filter = bson.D{{"_id", u.ID}}
+	filter = bson.M{"_id": u.ID}
 	dr, err := db.staticUsers.DeleteOne(ctx, filter)
 	if err != nil {
 		return errors.AddContext(err, "failed to Delete")
@@ -597,8 +595,7 @@ func (db *DB) Ping(ctx context.Context) error {
 // managedUsersByField finds all users that have a given field value.
 // The calling method is responsible for the validation of the value.
 func (db *DB) managedUsersByField(ctx context.Context, fieldName, fieldValue string) ([]*User, error) {
-	filter := bson.M{fieldName: fieldValue}
-	c, err := db.staticUsers.Find(ctx, filter)
+	c, err := db.staticUsers.Find(ctx, bson.M{fieldName: fieldValue})
 	if err != nil {
 		return nil, errors.AddContext(err, "failed to find user")
 	}