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build: merge pr #442 from tarumes/main
feat(sqlite): add basic sqlite support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright 2020-2024 Luke Whritenour | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package database | ||
|
|
||
| import ( | ||
| "context" | ||
| "database/sql" | ||
| "sync" | ||
|
|
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| _ "modernc.org/sqlite" | ||
| ) | ||
|
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| type SQLite struct { | ||
| *sql.DB | ||
| sync.RWMutex | ||
| } | ||
|
|
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| func NewSQLite(filesath string) (Database, error) { | ||
| db, err := sql.Open("sqlite", filesath) | ||
|
|
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| return &SQLite{db, sync.RWMutex{}}, err | ||
| } | ||
|
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| func (s *SQLite) Migrate(ctx context.Context) error { | ||
| _, err := s.Exec(` | ||
| CREATE TABLE IF NOT EXISTS documents ( | ||
| id TEXT PRIMARY KEY, | ||
| content TEXT NOT NULL, | ||
| created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, | ||
| usdated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP | ||
| );`) | ||
|
|
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| return err | ||
| } | ||
|
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| func (s *SQLite) GetDocument(ctx context.Context, id string) (Document, error) { | ||
| s.RLock() | ||
| defer s.RUnlock() | ||
|
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| doc := new(Document) | ||
| row := s.QueryRow("SELECT * FROM documents WHERE id=$1", id) | ||
| err := row.Scan(&doc.ID, &doc.Content, &doc.CreatedAt, &doc.UpdatedAt) | ||
|
|
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| return *doc, err | ||
| } | ||
|
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| func (s *SQLite) CreateDocument(ctx context.Context, id, content string) error { | ||
| s.Lock() | ||
| defer s.Unlock() | ||
|
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| tx, err := s.Begin() | ||
|
|
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| if err != nil { | ||
| return err | ||
| } | ||
|
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| _, err = tx.Exec("INSERT INTO documents (id, content) VALUES ($1, $2)", | ||
| id, content) // created_at and updated_at are auto-generated | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| return tx.Commit() | ||
| } |