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Merge pull request #5 from hhertout/dev
feat: setting up SQLite & migrations process
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| package database | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "os" | ||
|
|
||
| _ "github.com/mattn/go-sqlite3" | ||
| ) | ||
|
|
||
| func Connect() (*sql.DB, error) { | ||
| return sql.Open("sqlite3", os.Getenv("DB_URL")) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package database | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "io" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
|
||
| type Migration struct { | ||
| dbPool *sql.DB | ||
| } | ||
|
|
||
| func NewMigration(db *sql.DB) *Migration { | ||
| return &Migration{ | ||
| db, | ||
| } | ||
| } | ||
|
|
||
| func (m Migration) Migrate() error { | ||
| if err := m.migrateFromFile("mail.sql"); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
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| func (m Migration) migrateFromFile(filename string) error { | ||
| workingDir, _ := os.Getwd() | ||
| fileOpen, err := os.Open(workingDir + "/cmd/database/migrations/" + filename) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer fileOpen.Close() | ||
|
|
||
| content, err := io.ReadAll(fileOpen) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| queries := string(content) | ||
| queriesSplit := strings.Split(queries, "--") | ||
|
|
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| for _, query := range queriesSplit { | ||
| if strings.TrimSpace(query) == "" { | ||
| continue | ||
| } | ||
|
|
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| _, err = m.dbPool.Exec(query + ";") | ||
| if err != nil { | ||
| if err.Error() == "trigger set_viewed_param already exists" { | ||
| continue | ||
| } | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| internal.sql | ||
| backup.sql | ||
| old.sql | ||
| test.sql |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* Caution : each query must be separated with empty comment */ | ||
|
|
||
| CREATE TABLE IF NOT EXISTS mail | ||
| ( | ||
| _id integer PRIMARY KEY AUTOINCREMENT not null, | ||
| date date, | ||
| "to" varchar(255) not null, | ||
| subject varchar(255) not null, | ||
| sent boolean not null, | ||
| error text, | ||
| viewed boolean | ||
| ); | ||
|
|
||
| -- | ||
|
|
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| CREATE TRIGGER set_viewed_param | ||
| BEFORE INSERT | ||
| ON "mail" | ||
| BEGIN | ||
| INSERT INTO "mail" ("to", "subject", "sent", "error", "viewed", "date") | ||
| VALUES (NEW."to", | ||
| NEW."subject", | ||
| NEW."sent", | ||
| NEW."error", | ||
| CASE WHEN NEW."error" IS NULL THEN 1 ELSE 0 END, | ||
| DATE('now')); | ||
| SELECT RAISE(IGNORE); | ||
| END; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -9,7 +9,4 @@ services: | |
| ports: | ||
| - 4545:4545 | ||
| volumes: | ||
| - .:/app | ||
| - db:/app/data | ||
| volumes: | ||
| db: | ||
| - .:/app | ||
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