db: add telegram_file table

Signed-off-by: Sumner Evans <sumner.evans@automattic.com>

pkg/store/container.go

@@ -25,17 +25,23 @@ import (
 )
 
 type Container struct {
-	db *dbutil.Database
+	*dbutil.Database
+
+	TelegramFile *TelegramFileQuery
 }
 
 func NewStore(db *dbutil.Database, log dbutil.DatabaseLogger) *Container {
-	return &Container{db: db.Child("telegram_version", upgrades.Table, log)}
+	return &Container{
+		Database: db.Child("telegram_version", upgrades.Table, log),
+
+		TelegramFile: &TelegramFileQuery{dbutil.MakeQueryHelper(db, newTelegramFile)},
+	}
 }
 
 func (c *Container) Upgrade(ctx context.Context) error {
-	return c.db.Upgrade(ctx)
+	return c.Database.Upgrade(ctx)
 }
 
 func (c *Container) GetScopedStore(telegramUserID int64) *scopedStore {
-	return &scopedStore{c.db, telegramUserID}
+	return &scopedStore{c.Database, telegramUserID}
 }

pkg/store/telegramfile.go

@@ -0,0 +1,96 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"time"
+
+	"go.mau.fi/util/dbutil"
+)
+
+const (
+	insertTelegramFileQuery = `
+		INSERT INTO telegram_file (
+			id, mxc, mime_type, was_converted, timestamp, size, width, height, thumbnail, decryption_info)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+	`
+	getTelegramFileSelect = `
+		SELECT id, mxc, mime_type, was_converted, timestamp, size, width, height, thumbnail, decryption_info
+		FROM telegram_file
+	`
+	getTelegramFileByLocationIDQuery = getTelegramFileSelect + "WHERE id=$1"
+	getTelegramFileByMXCQuery        = getTelegramFileSelect + "WHERE mxc=$1"
+)
+
+type TelegramFileQuery struct {
+	*dbutil.QueryHelper[*TelegramFile]
+}
+
+type TelegramFile struct {
+	qh *dbutil.QueryHelper[*TelegramFile]
+
+	LocationID     string
+	MXC            string
+	MimeType       string
+	WasConverted   bool
+	Timestamp      time.Time
+	Size           int64
+	Width          int
+	Height         int
+	ThumbnailID    string
+	DecryptionInfo json.RawMessage
+}
+
+var _ dbutil.DataStruct[*TelegramFile] = (*TelegramFile)(nil)
+
+func newTelegramFile(qh *dbutil.QueryHelper[*TelegramFile]) *TelegramFile {
+	return &TelegramFile{qh: qh}
+}
+
+func (fq *TelegramFileQuery) GetByLocationID(ctx context.Context, locationID string) (*TelegramFile, error) {
+	return fq.QueryOne(ctx, getTelegramFileByLocationIDQuery, locationID)
+}
+
+func (fq *TelegramFileQuery) GetByMXC(ctx context.Context, mxc string) (*TelegramFile, error) {
+	return fq.QueryOne(ctx, getTelegramFileByMXCQuery, mxc)
+}
+
+func (f *TelegramFile) sqlVariables() []any {
+	return []any{
+		f.LocationID,
+		f.MXC,
+		f.MimeType,
+		f.WasConverted,
+		f.Timestamp.UnixMilli(),
+		f.Size,
+		f.Width,
+		f.Height,
+		f.ThumbnailID,
+		f.DecryptionInfo,
+	}
+}
+
+func (f *TelegramFile) Insert(ctx context.Context) error {
+	return f.qh.Exec(ctx, insertTelegramFileQuery, f.sqlVariables()...)
+}
+
+func (f *TelegramFile) Scan(row dbutil.Scannable) (*TelegramFile, error) {
+	var thumbnailID sql.NullString
+	var timestamp int64
+	err := row.Scan(
+		&f.LocationID,
+		&f.MXC,
+		&f.MimeType,
+		&f.WasConverted,
+		&timestamp,
+		&f.Size,
+		&f.Width,
+		&f.Height,
+		&thumbnailID,
+		&f.DecryptionInfo,
+	)
+	f.Timestamp = time.UnixMilli(timestamp)
+	f.ThumbnailID = thumbnailID.String
+	return f, err
+}

pkg/store/upgrades/00-latest.sql

@@ -30,3 +30,18 @@ CREATE TABLE telegram_channel_access_hashes (
 
     PRIMARY KEY (user_id, channel_id)
 );
+
+CREATE TABLE telegram_file (
+    id              TEXT PRIMARY KEY,
+    mxc             TEXT NOT NULL,
+    mime_type       TEXT,
+    was_converted   BOOLEAN NOT NULL DEFAULT false,
+    timestamp       BIGINT  NOT NULL DEFAULT 0,
+    size            BIGINT,
+    width           INTEGER,
+    height          INTEGER,
+    thumbnail       TEXT,
+    decryption_info jsonb,
+    FOREIGN KEY (thumbnail) REFERENCES telegram_file(id)
+        ON UPDATE CASCADE ON DELETE SET NULL
+);