Use sqlc to generate typesafe repository tools

dataswamp/namespace/entities.go

@@ -11,7 +11,9 @@ type Namespace struct {
 	LastSeen          time.Time
 	AllowanceDuration time.Duration
 	FileQuota         FileSizeQuota
-	Usage             Usage
+	Usage             FileStat
+	Download          FileStat
+	Upload            FileStat
 }
 
 var (

dataswamp/namespace/repository_contract.go

@@ -25,7 +25,9 @@ func basicNamespaceContract(fac func() Repository, t *testing.T) {
 		time.Now(),
 		time.Duration(time.Hour * 3),
 		FileSizeQuota{1000, 0},
-		Usage{1, 2, 3, 4, 5},
+		FileStat{1, 2},
+		FileStat{3, 4},
+		FileStat{5, 6},
 	}
 
 	ns1, _ := r.Create(ns)
@@ -42,7 +44,7 @@ func basicNamespaceContract(fac func() Repository, t *testing.T) {
 
 	ns3, _ := r.GetByName("n2")
 
-	is.Equal(ns3, ns2)
+	is.Equal(*ns3, *ns2)
 
 	is.NoErr(r.Delete(ns2.ID))
 

dataswamp/namespace/valueobjects.go

@@ -33,30 +33,14 @@ func (f *FileSizeQuota) Remove(size int64) error {
 	return nil
 }
 
-type Usage struct {
+type FileStat struct {
-	Stored    int64
+	Num   int64
-	Uploads   int64
+	SizeB int64
-	UploadB   int64
+}
-	Downloads int64
+
-	DownloadB int64
+func (s FileStat) Add(size int64) FileStat {
-}
+	return FileStat{
-
+		s.Num + 1,
-func (u Usage) Uploaded(size int64) Usage {
+		s.SizeB + size,
-	return Usage{
-		u.Stored,
-		u.Uploads + 1,
-		u.UploadB + size,
-		u.Downloads,
-		u.DownloadB,
-	}
-}
-
-func (u Usage) Downloaded(size int64) Usage {
-	return Usage{
-		u.Stored,
-		u.Uploads,
-		u.UploadB,
-		u.Downloads + 1,
-		u.DownloadB + size,
 	}
 }

infrastructure/sqlite/namespace/db.go

@@ -0,0 +1,31 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+
+package namespace
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

infrastructure/sqlite/namespace/models.go

@@ -0,0 +1,27 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+
+package namespace
+
+import (
+	"database/sql"
+)
+
+type FileStat struct {
+	ID    int64
+	Num   int64
+	SizeB int64
+}
+
+type Namespace struct {
+	ID            int64
+	Name          string
+	Lastseen      int64
+	AllowanceTime sql.NullInt64
+	QuotaKb       sql.NullInt64
+	QuotaUsageKb  sql.NullInt64
+	UsageID       int64
+	DownloadID    int64
+	UploadID      int64
+}

infrastructure/sqlite/namespace/queries.sql

@@ -0,0 +1,84 @@
+-- name: CreateNamespace :one
+INSERT INTO
+  namespace(
+    name,
+    lastseen,
+    allowance_time,
+    quota_kb,
+    quota_usage_kb,
+    usage_id,
+    download_id,
+    upload_id
+  )
+  values(?, ?, ?, ?, ?, ?, ?, ?)
+  returning id;
+
+-- name: CreateFileStats :one
+INSERT INTO file_stats(num, size_b)
+  values(?, ?)
+  returning id;
+
+-- name: AllNamespaces :many
+SELECT
+ ns.id,
+ ns.name,
+ ns.lastseen,
+ ns.allowance_time,
+ ns.quota_kb,
+ ns.quota_usage_kb,
+ u.num as u_num,
+ u.size_b as u_size_b,
+ d.num as d_num,
+ d.size_b as d_size_b,
+ ul.num as ul_num,
+ ul.size_b as ul_size_b
+ FROM namespace as ns
+ JOIN file_stats as u
+  ON ns.usage_id = u.id
+ JOIN file_stats as d
+  ON ns.download_id = d.id
+ JOIN file_stats as ul
+  ON ns.upload_id = ul.id;
+
+-- name: GetNamespaceByName :one
+SELECT
+ ns.id,
+ ns.name,
+ ns.lastseen,
+ ns.allowance_time,
+ ns.quota_kb,
+ ns.quota_usage_kb,
+ u.num as u_num,
+ u.size_b as u_size_b,
+ d.num as d_num,
+ d.size_b as d_size_b,
+ ul.num as ul_num,
+ ul.size_b as ul_size_b
+ FROM namespace as ns
+ JOIN file_stats as u
+  ON ns.usage_id = u.id
+ JOIN file_stats as d
+  ON ns.download_id = d.id
+ JOIN file_stats as ul
+  ON ns.upload_id = ul.id
+ WHERE ns.name = ?;
+
+
+-- name: GetFileStat :one
+SELECT * FROM file_stats where id = ?;
+
+-- name: UpdateFileStat :exec
+UPDATE file_stats SET num = ?, size_b = ? where id = ?;
+
+-- name: UpdateNamespace :one
+UPDATE namespace SET
+ name = ?,
+ lastseen = ?,
+ allowance_time = ?,
+ quota_kb = ?,
+ quota_usage_kb = ?
+ WHERE id = ?
+ RETURNING usage_id, download_id, upload_id;
+
+-- name: DeleteNameSpace :exec
+DELETE FROM namespace where id = ?;

infrastructure/sqlite/namespace/queries.sql.go

@@ -0,0 +1,280 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.13.0
+// source: queries.sql
+
+package namespace
+
+import (
+	"context"
+	"database/sql"
+)
+
+const allNamespaces = `-- name: AllNamespaces :many
+SELECT
+ ns.id,
+ ns.name,
+ ns.lastseen,
+ ns.allowance_time,
+ ns.quota_kb,
+ ns.quota_usage_kb,
+ u.num as u_num,
+ u.size_b as u_size_b,
+ d.num as d_num,
+ d.size_b as d_size_b,
+ ul.num as ul_num,
+ ul.size_b as ul_size_b
+ FROM namespace as ns
+ JOIN file_stats as u
+  ON ns.usage_id = u.id
+ JOIN file_stats as d
+  ON ns.download_id = d.id
+ JOIN file_stats as ul
+  ON ns.upload_id = ul.id
+`
+
+type AllNamespacesRow struct {
+	ID            int64
+	Name          string
+	Lastseen      int64
+	AllowanceTime sql.NullInt64
+	QuotaKb       sql.NullInt64
+	QuotaUsageKb  sql.NullInt64
+	UNum          int64
+	USizeB        int64
+	DNum          int64
+	DSizeB        int64
+	UlNum         int64
+	UlSizeB       int64
+}
+
+func (q *Queries) AllNamespaces(ctx context.Context) ([]AllNamespacesRow, error) {
+	rows, err := q.db.QueryContext(ctx, allNamespaces)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []AllNamespacesRow
+	for rows.Next() {
+		var i AllNamespacesRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.Name,
+			&i.Lastseen,
+			&i.AllowanceTime,
+			&i.QuotaKb,
+			&i.QuotaUsageKb,
+			&i.UNum,
+			&i.USizeB,
+			&i.DNum,
+			&i.DSizeB,
+			&i.UlNum,
+			&i.UlSizeB,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const createFileStats = `-- name: CreateFileStats :one
+INSERT INTO file_stats(num, size_b)
+  values(?, ?)
+  returning id
+`
+
+type CreateFileStatsParams struct {
+	Num   int64
+	SizeB int64
+}
+
+func (q *Queries) CreateFileStats(ctx context.Context, arg CreateFileStatsParams) (int64, error) {
+	row := q.db.QueryRowContext(ctx, createFileStats, arg.Num, arg.SizeB)
+	var id int64
+	err := row.Scan(&id)
+	return id, err
+}
+
+const createNamespace = `-- name: CreateNamespace :one
+INSERT INTO
+  namespace(
+    name,
+    lastseen,
+    allowance_time,
+    quota_kb,
+    quota_usage_kb,
+    usage_id,
+    download_id,
+    upload_id
+  )
+  values(?, ?, ?, ?, ?, ?, ?, ?)
+  returning id
+`
+
+type CreateNamespaceParams struct {
+	Name          string
+	Lastseen      int64
+	AllowanceTime sql.NullInt64
+	QuotaKb       sql.NullInt64
+	QuotaUsageKb  sql.NullInt64
+	UsageID       int64
+	DownloadID    int64
+	UploadID      int64
+}
+
+func (q *Queries) CreateNamespace(ctx context.Context, arg CreateNamespaceParams) (int64, error) {
+	row := q.db.QueryRowContext(ctx, createNamespace,
+		arg.Name,
+		arg.Lastseen,
+		arg.AllowanceTime,
+		arg.QuotaKb,
+		arg.QuotaUsageKb,
+		arg.UsageID,
+		arg.DownloadID,
+		arg.UploadID,
+	)
+	var id int64
+	err := row.Scan(&id)
+	return id, err
+}
+
+const deleteNameSpace = `-- name: DeleteNameSpace :exec
+DELETE FROM namespace where id = ?
+`
+
+func (q *Queries) DeleteNameSpace(ctx context.Context, id int64) error {
+	_, err := q.db.ExecContext(ctx, deleteNameSpace, id)
+	return err
+}
+
+const getFileStat = `-- name: GetFileStat :one
+SELECT id, num, size_b FROM file_stats where id = ?
+`
+
+func (q *Queries) GetFileStat(ctx context.Context, id int64) (FileStat, error) {
+	row := q.db.QueryRowContext(ctx, getFileStat, id)
+	var i FileStat
+	err := row.Scan(&i.ID, &i.Num, &i.SizeB)
+	return i, err
+}
+
+const getNamespaceByName = `-- name: GetNamespaceByName :one
+SELECT
+ ns.id,
+ ns.name,
+ ns.lastseen,
+ ns.allowance_time,
+ ns.quota_kb,
+ ns.quota_usage_kb,
+ u.num as u_num,
+ u.size_b as u_size_b,
+ d.num as d_num,
+ d.size_b as d_size_b,
+ ul.num as ul_num,
+ ul.size_b as ul_size_b
+ FROM namespace as ns
+ JOIN file_stats as u
+  ON ns.usage_id = u.id
+ JOIN file_stats as d
+  ON ns.download_id = d.id
+ JOIN file_stats as ul
+  ON ns.upload_id = ul.id
+ WHERE ns.name = ?
+`
+
+type GetNamespaceByNameRow struct {
+	ID            int64
+	Name          string
+	Lastseen      int64
+	AllowanceTime sql.NullInt64
+	QuotaKb       sql.NullInt64
+	QuotaUsageKb  sql.NullInt64
+	UNum          int64
+	USizeB        int64
+	DNum          int64
+	DSizeB        int64
+	UlNum         int64
+	UlSizeB       int64
+}
+
+func (q *Queries) GetNamespaceByName(ctx context.Context, name string) (GetNamespaceByNameRow, error) {
+	row := q.db.QueryRowContext(ctx, getNamespaceByName, name)
+	var i GetNamespaceByNameRow
+	err := row.Scan(
+		&i.ID,
+		&i.Name,
+		&i.Lastseen,
+		&i.AllowanceTime,
+		&i.QuotaKb,
+		&i.QuotaUsageKb,
+		&i.UNum,
+		&i.USizeB,
+		&i.DNum,
+		&i.DSizeB,
+		&i.UlNum,
+		&i.UlSizeB,
+	)
+	return i, err
+}
+
+const updateFileStat = `-- name: UpdateFileStat :exec
+UPDATE file_stats SET num = ?, size_b = ? where id = ?
+`
+
+type UpdateFileStatParams struct {
+	Num   int64
+	SizeB int64
+	ID    int64
+}
+
+func (q *Queries) UpdateFileStat(ctx context.Context, arg UpdateFileStatParams) error {
+	_, err := q.db.ExecContext(ctx, updateFileStat, arg.Num, arg.SizeB, arg.ID)
+	return err
+}
+
+const updateNamespace = `-- name: UpdateNamespace :one
+UPDATE namespace SET
+ name = ?,
+ lastseen = ?,
+ allowance_time = ?,
+ quota_kb = ?,
+ quota_usage_kb = ?
+ WHERE id = ?
+ RETURNING usage_id, download_id, upload_id
+`
+
+type UpdateNamespaceParams struct {
+	Name          string
+	Lastseen      int64
+	AllowanceTime sql.NullInt64
+	QuotaKb       sql.NullInt64
+	QuotaUsageKb  sql.NullInt64
+	ID            int64
+}
+
+type UpdateNamespaceRow struct {
+	UsageID    int64
+	DownloadID int64
+	UploadID   int64
+}
+
+func (q *Queries) UpdateNamespace(ctx context.Context, arg UpdateNamespaceParams) (UpdateNamespaceRow, error) {
+	row := q.db.QueryRowContext(ctx, updateNamespace,
+		arg.Name,
+		arg.Lastseen,
+		arg.AllowanceTime,
+		arg.QuotaKb,
+		arg.QuotaUsageKb,
+		arg.ID,
+	)
+	var i UpdateNamespaceRow
+	err := row.Scan(&i.UsageID, &i.DownloadID, &i.UploadID)
+	return i, err
+}

infrastructure/sqlite/namespace/repository.go

@@ -2,153 +2,203 @@ package namespace
 
 import (
 	"caj-larsson/bog/dataswamp/namespace"
+	"context"
 	"database/sql"
-	"errors"
 	"github.com/mattn/go-sqlite3"
+	"time"
 )
 
+var _ = sqlite3.ErrError
+
 type Repository struct {
 	db *sql.DB
 }
 
+func (r *Repository) migrate() error {
+	query := `
+CREATE TABLE IF NOT EXISTS file_stats(
+  id INTEGER PRIMARY KEY,
+  num BIGINT NOT NULL,
+  size_b BIGINT NOT NULL
+);`
+	_, err := r.db.Exec(query)
+	if err != nil {
+		return err
+	}
+
+	query = `
+CREATE TABLE IF NOT EXISTS namespace(
+  id INTEGER PRIMARY KEY,
+  name TEXT NOT NULL UNIQUE,
+  lastseen TEXT,
+  allowance_time BIGINT,
+  quota_kb BIGINT,
+  quota_usage_kb BIGINT,
+  usage_id BIGINT NOT NULL REFERENCES file_stats(Id),
+  download_id BIGINT NOT NULL REFERENCES file_stats(Id),
+  upload_id BIGINT NOT NULL REFERENCES file_stats(Id)
+ );`
+	_, err = r.db.Exec(query)
+
+	return err
+}
+
 func NewRepository(filename string) namespace.Repository {
 	db, err := sql.Open("sqlite3", filename)
 	if err != nil {
 		panic(err)
 	}
+
 	repo := Repository{
 		db: db,
 	}
+
 	repo.migrate()
 	return &repo
 }
 
-func (r Repository) migrate() error {
+func (q *Queries) createFileStats(ctx context.Context, fstat namespace.FileStat) (int64, error) {
-	query := `
+	return q.CreateFileStats(ctx, CreateFileStatsParams{fstat.Num, fstat.SizeB})
-	CREATE TABLE IF NOT EXISTS namespace(
-		id INTEGER PRIMARY KEY AUTOINCREMENT,
-		name TEXT NOT NULL UNIQUE,
-		lastseen text,
-		allowance_time bigint,
-        quota_kb bigint,
-        quota_usage_kb bigint
-	);
-	`
-	_, err := r.db.Exec(query)
-	return err
 }
 
 func (r *Repository) Create(ns namespace.Namespace) (*namespace.Namespace, error) {
-	var record, err = fromEntity(ns)
+	ctx := context.Background()
-	if err != nil {
+	q := New(r.db)
+	u_id, err := q.createFileStats(ctx, ns.Usage)
 
+	if err != nil {
+		return nil, err
 	}
 
-	res, err := r.db.Exec(
+	dl_id, err := q.createFileStats(ctx, ns.Download)
-		"INSERT INTO namespace(name, lastseen, allowance_time, quota_kb, quota_usage_kb) values(?,?,?,?,?)",
+
-		record.Name, record.LastSeen, record.AllowanceSeconds, record.QuotaKB, record.QuotaUsedKB,
-	)
 	if err != nil {
-		var sqliteErr sqlite3.Error
-		if errors.As(err, &sqliteErr) {
-			if errors.Is(sqliteErr.ExtendedCode, sqlite3.ErrConstraintUnique) {
-				return nil, namespace.ErrDuplicate
-			}
-		}
 		return nil, err
 	}
 
-	id, err := res.LastInsertId()
+	ul_id, err := q.createFileStats(ctx, ns.Upload)
+
 	if err != nil {
 		return nil, err
 	}
-	ns.ID = id
 
-	return &ns, nil
+	ns.LastSeen = ns.LastSeen.Round(time.Microsecond)
+
+	p := CreateNamespaceParams{
+		Name:          ns.Name,
+		Lastseen:      ns.LastSeen.UnixMicro(),
+		AllowanceTime: sql.NullInt64{int64(ns.AllowanceDuration.Seconds()), true},
+		QuotaKb:       sql.NullInt64{int64(ns.FileQuota.AllowanceKB), true},
+		QuotaUsageKb:  sql.NullInt64{int64(ns.FileQuota.CurrentUsage), true},
+		UsageID:       u_id,
+		DownloadID:    dl_id,
+		UploadID:      ul_id,
 	}
 
-func (r Repository) All() ([]namespace.Namespace, error) {
+	id, err := q.CreateNamespace(ctx, p)
-	rows, err := r.db.Query("SELECT * FROM namespace")
+
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
 
-	var all []namespace.Namespace
+	ns.ID = id
-	for rows.Next() {
+	return &ns, nil
-		var record NamespaceRecord
-		if err := rows.Scan(&record.ID, &record.Name, &record.LastSeen, &record.AllowanceSeconds, &record.QuotaKB, &record.QuotaUsedKB); err != nil {
-			return nil, err
 }
-		var ns, err = record.toEntity()
+
+func (r *Repository) All() ([]namespace.Namespace, error) {
+	ctx := context.Background()
+	q := New(r.db)
+	rows, err := q.AllNamespaces(ctx)
 
 	if err != nil {
 		return nil, err
 	}
-		all = append(all, *ns)
-	}
-	return all, nil
-}
 
-func (r Repository) GetByName(name string) (*namespace.Namespace, error) {
+	var all []namespace.Namespace
-	row := r.db.QueryRow("SELECT id, name, lastseen, allowance_time, quota_kb, quota_usage_kb FROM namespace WHERE name = ?", name)
+	for _, row := range rows {
+		ns := namespace.Namespace{
+			row.ID,
+			row.Name,
+			time.UnixMicro(row.Lastseen),
+			time.Duration(row.AllowanceTime.Int64 * int64(time.Second)),
+			namespace.FileSizeQuota{row.QuotaKb.Int64, row.QuotaUsageKb.Int64},
+			namespace.FileStat{row.UNum, row.USizeB},
+			namespace.FileStat{row.DNum, row.DSizeB},
+			namespace.FileStat{row.UlNum, row.UlSizeB},
+		}
 
-	var record NamespaceRecord
+		all = append(all, ns)
-	if err := row.Scan(&record.ID, &record.Name, &record.LastSeen, &record.AllowanceSeconds, &record.QuotaKB, &record.QuotaUsedKB); err != nil {
-		if errors.Is(err, sql.ErrNoRows) {
-			return nil, namespace.ErrNotExists
 	}
-		return nil, err
+
+	return all, nil
 }
 
-	var ns, err = record.toEntity()
+func (r *Repository) GetByName(name string) (*namespace.Namespace, error) {
+	ctx := context.Background()
+	q := New(r.db)
+	row, err := q.GetNamespaceByName(ctx, name)
 
 	if err != nil {
 		return nil, err
 	}
-	return ns, nil
+
+	ns := namespace.Namespace{
+		row.ID,
+		row.Name,
+		time.UnixMicro(row.Lastseen),
+		time.Duration(row.AllowanceTime.Int64 * int64(time.Second)),
+		namespace.FileSizeQuota{row.QuotaKb.Int64, row.QuotaUsageKb.Int64},
+		namespace.FileStat{row.UNum, row.USizeB},
+		namespace.FileStat{row.DNum, row.DSizeB},
+		namespace.FileStat{row.UlNum, row.UlSizeB},
+	}
+
+	return &ns, nil
 }
 
-func (r Repository) Update(id int64, updated namespace.Namespace) (*namespace.Namespace, error) {
+func (q *Queries) updateFileStat(ctx context.Context, id int64, fstat namespace.FileStat) error {
-	if id == 0 {
+	return q.UpdateFileStat(ctx, UpdateFileStatParams{fstat.Num, fstat.SizeB, id})
-		return nil, errors.New("invalid updated ID")
 }
 
-	var record, err = fromEntity(updated)
+func (r *Repository) Update(id int64, ns namespace.Namespace) (*namespace.Namespace, error) {
+	ctx := context.Background()
+	q := New(r.db)
 
-	res, err := r.db.Exec("UPDATE namespace SET name = ?, lastseen = ?, allowance_time = ?, quota_kb = ?, quota_usage_kb = ? WHERE id = ?",
+	ids, err := q.UpdateNamespace(ctx, UpdateNamespaceParams{
-		record.Name, record.LastSeen, record.AllowanceSeconds, &record.QuotaKB, &record.QuotaUsedKB, id)
+		ns.Name,
+		ns.LastSeen.Round(time.Microsecond).UnixMicro(),
+		sql.NullInt64{int64(ns.AllowanceDuration.Seconds()), true},
+		sql.NullInt64{int64(ns.FileQuota.AllowanceKB), true},
+		sql.NullInt64{int64(ns.FileQuota.CurrentUsage), true},
+		ns.ID,
+	})
 
+	err = q.updateFileStat(ctx, ids.UsageID, ns.Usage)
 	if err != nil {
 		return nil, err
 	}
 
-	rowsAffected, err := res.RowsAffected()
+	err = q.updateFileStat(ctx, ids.DownloadID, ns.Download)
 	if err != nil {
 		return nil, err
 	}
 
-	if rowsAffected == 0 {
+	err = q.updateFileStat(ctx, ids.UploadID, ns.Upload)
-		return nil, namespace.ErrUpdateFailed
+	if err != nil {
+		return nil, err
 	}
 
-	return &updated, nil
+	return &ns, nil
 }
 
-func (r Repository) Delete(id int64) error {
+func (r *Repository) Delete(id int64) error {
-	res, err := r.db.Exec("DELETE FROM namespace WHERE id = ?", id)
+	ctx := context.Background()
-	if err != nil {
+	q := New(r.db)
-		return err
-	}
 
-	rowsAffected, err := res.RowsAffected()
+	err := q.DeleteNameSpace(ctx, id)
 	if err != nil {
-		return err
-	}
-
-	if rowsAffected == 0 {
 		return namespace.ErrDeleteFailed
 	}
 
-	return err
+	return nil
 }

infrastructure/sqlite/namespace/repository_test.go

@@ -2,15 +2,9 @@ package namespace
 
 import (
 	"caj-larsson/bog/dataswamp/namespace"
-	"path"
 	"testing"
 )
 
 func TestFileRepo(t *testing.T) {
-	fac := func() namespace.Repository {
+	namespace.RepositoryContract(func() namespace.Repository { return NewRepository(":memory:") }, t)
-		d := t.TempDir()
-		db_path := path.Join(d, "db.sql")
-		return NewRepository(db_path)
-	}
-	namespace.RepositoryContract(fac, t)
 }

infrastructure/sqlite/namespace/schema.sql

@@ -0,0 +1,17 @@
+CREATE TABLE IF NOT EXISTS file_stats(
+  id BIGINT PRIMARY KEY,
+  num BIGINT NOT NULL,
+  size_b BIGINT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS namespace(
+  id BIGINT PRIMARY KEY,
+  name TEXT NOT NULL UNIQUE,
+  lastseen BIGINT NOT NULL,
+  allowance_time BIGINT,
+  quota_kb BIGINT,
+  quota_usage_kb BIGINT,
+  usage_id BIGINT NOT NULL REFERENCES file_stats(Id) ON DELETE CASCADE,
+  download_id BIGINT NOT NULL REFERENCES file_stats(Id) ON DELETE CASCADE,
+  upload_id BIGINT NOT NULL REFERENCES file_stats(Id) ON DELETE CASCADE
+ );

sqlc.yaml

@@ -0,0 +1,8 @@
+version: "1"
+
+packages:
+  - path: infrastructure/sqlite/namespace
+    name: namespace
+    engine: postgresql
+    schema: infrastructure/sqlite/namespace/schema.sql
+    queries: infrastructure/sqlite/namespace/queries.sql