More shuffling. Can talk to DB now again but it's not returning record structs correctly.
This commit is contained in:
Alex Stevenson
parent
8968271c3b
commit
21b43baf82
3 changed files with 82 additions and 161 deletions
126
cmd/main/main.go
126
cmd/main/main.go
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@ -11,119 +11,20 @@ import (
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_ "github.com/mattn/go-sqlite3"
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)
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// Panic and crash if an error shows up, and print the error
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func check(e error) {
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if e != nil {
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panic(e)
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}
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}
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// Convert a query into an executable statement.
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func prep_query(db *sql.DB, q string) (*sql.Stmt){
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statement, err := db.Prepare(q)
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check(err)
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return statement
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}
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// User record management stuff. Eventually want to abstract
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// this out to store any sort of record...
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type User struct {
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id int64
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name string
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}
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func create_user(db *sql.DB, name string) (User) {
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s := prep_query(db, "INSERT INTO users (name) VALUES (?)")
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res, err := s.Exec(name)
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check(err)
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var u User
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id, _ := res.LastInsertId()
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u.id = id
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u.name = name
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return u
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}
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func get_user(db *sql.DB, name string) (User) {
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s := prep_query(db, "SELECT * FROM users WHERE name = ? LIMIT 1")
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res, err := s.Query(name)
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check(err)
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var u User
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res.Next()
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res.Scan(&u.id, &u.name)
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res.Close()
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if u.id == 0 {
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return create_user(db, name)
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} else {
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return u
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}
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}
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// Blerk. Start here with a get/create and see where
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// that goes...
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type Entity struct {
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id int64
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user_id int64
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name string
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spawn_line string
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}
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func create_entity(db *sql.DB, user_id int64, name string, spawn_line string) (Entity) {
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s := prep_query(db, "INSERT INTO entities (user_id, name, spawn_line) VALUES (?, ?, ?)")
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res, err := s.Exec(user_id, name, spawn_line)
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check(err)
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var ent Entity
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id, _ := res.LastInsertId()
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ent.id = id
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ent.user_id = user_id
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ent.name = name
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ent.spawn_line = spawn_line
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return ent
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}
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func get_entity(db *sql.DB, id int64) (Entity) {
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s := prep_query(db, "SELECT * FROM entities WHERE id = ? LIMIT 1")
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res, err := s.Query(id)
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check(err)
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var ent Entity
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res.Next()
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err = res.Scan(&ent.id, &ent.user_id, &ent.name, &ent.spawn_line)
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check(err)
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res.Close()
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if ent.id == 0 {
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log.Printf("Entity id %d doesn't exist!", id)
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}
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return ent
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}
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func reset_database(db *sql.DB) {
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dat, _ := os.ReadFile("setup.sql")
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queries := strings.Split(string(dat), ";")
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for _, q := range queries {
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_, err := db.Exec(q)
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check(err)
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records.Check(err)
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}
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}
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func main() {
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db, _ := sql.Open("sqlite3", "rpgqui.db")
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db, err := sql.Open("sqlite3", "rpgqui.db")
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records.Check(err)
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reset_database(db)
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@ -131,23 +32,26 @@ func main() {
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log.Println("Adding users...\n")
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// spin up a user...
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u := get_user(db, "Monqui")
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u := records.GetUser(db, "Monqui")
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log.Printf("Type: %T", u)
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log.Println(u)
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//log.Printf("ID: %d, name: %s", u.id, u.name)
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/* u = records.GetUser(db, "Jim")
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log.Printf("ID: %d, name: %s", u.id, u.name)
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u = get_user(db, "Jim")
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log.Printf("ID: %d, name: %s", u.id, u.name)
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u = get_user(db, "Monqui")
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u = records.GetUser(db, "Monqui")
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log.Printf("ID: %d, name: %s", u.id, u.name)
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// make some entities...
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log.Println("Adding entities...\n")
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e := create_entity(db, u.id, "idk a demon", "hello im monqui")
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e := records.CreateEntity(db, u.id, "idk a demon", "hello im monqui")
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log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
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e = create_entity(db, u.id, "idk a monster", "here's a whole nother line!")
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e = records.CreateEntity(db, u.id, "idk a monster", "here's a whole nother line!")
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log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
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log.Println("Trying to fetch some entities...\n")
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e = get_entity(db, 1)
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e = records.GetEntity(db, 1)
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log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
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e = get_entity(db, 2)
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e = records.GetEntity(db, 2)
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log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
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*/
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}
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@ -1,89 +1,106 @@
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package records
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import (
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"log"
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"database/sql"
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)
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// Panic and crash if an error shows up, and print the error
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func Check(e error) {
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if e != nil {
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panic(e)
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}
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}
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// Convert a query into an executable statement.
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func prep_query(db *sql.DB, q string) (*sql.Stmt){
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statement, err := db.Prepare(q)
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Check(err)
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return statement
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}
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// User record management stuff. Eventually want to abstract
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// this out to store any sort of record...
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type User struct {
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id int64
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name string
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id int64
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name string
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}
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func CreateUser(db *sql.DB, name string) (User) {
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s := prep_query(db, "INSERT INTO users (name) VALUES (?)")
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res, err := s.Exec(name)
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check(err)
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s := prep_query(db, "INSERT INTO users (name) VALUES (?)")
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res, err := s.Exec(name)
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Check(err)
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var u User
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var u User
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id, _ := res.LastInsertId()
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u.id = id
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u.name = name
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id, _ := res.LastInsertId()
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u.id = id
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u.name = name
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return u
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return u
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}
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func GetUser(db *sql.DB, name string) (User) {
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s := prep_query(db, "SELECT * FROM users WHERE name = ? LIMIT 1")
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res, err := s.Query(name)
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s := prep_query(db, "SELECT * FROM users WHERE name = ? LIMIT 1")
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res, err := s.Query(name)
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check(err)
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Check(err)
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var u User
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var u User
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res.Next()
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res.Scan(&u.id, &u.name)
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res.Close()
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res.Next()
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res.Scan(&u.id, &u.name)
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res.Close()
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if u.id == 0 {
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return create_user(db, name)
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} else {
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return u
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}
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if u.id == 0 {
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return CreateUser(db, name)
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} else {
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return u
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}
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}
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// Blerk. Start here with a get/create and see where
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// that goes...
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type Entity struct {
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id int64
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user_id int64
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name string
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spawn_line string
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id int64
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user_id int64
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name string
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spawn_line string
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}
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func CreateEntity(db *sql.DB, user_id int64, name string, spawn_line string) (Entity) {
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s := prep_query(db, "INSERT INTO entities (user_id, name, spawn_line) VALUES (?, ?, ?)")
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res, err := s.Exec(user_id, name, spawn_line)
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check(err)
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s := prep_query(db, "INSERT INTO entities (user_id, name, spawn_line) VALUES (?, ?, ?)")
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res, err := s.Exec(user_id, name, spawn_line)
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Check(err)
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var ent Entity
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var ent Entity
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id, _ := res.LastInsertId()
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ent.id = id
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ent.user_id = user_id
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ent.name = name
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ent.spawn_line = spawn_line
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id, _ := res.LastInsertId()
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ent.id = id
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ent.user_id = user_id
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ent.name = name
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ent.spawn_line = spawn_line
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return ent
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return ent
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}
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func GetEntity(db *sql.DB, id int64) (Entity) {
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s := prep_query(db, "SELECT * FROM entities WHERE id = ? LIMIT 1")
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res, err := s.Query(id)
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s := prep_query(db, "SELECT * FROM entities WHERE id = ? LIMIT 1")
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res, err := s.Query(id)
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check(err)
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Check(err)
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var ent Entity
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var ent Entity
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res.Next()
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err = res.Scan(&ent.id, &ent.user_id, &ent.name, &ent.spawn_line)
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check(err)
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res.Next()
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err = res.Scan(&ent.id, &ent.user_id, &ent.name, &ent.spawn_line)
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Check(err)
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res.Close()
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res.Close()
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if ent.id == 0 {
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log.Printf("Entity id %d doesn't exist!", id)
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}
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if ent.id == 0 {
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log.Printf("Entity id %d doesn't exist!", id)
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}
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return ent
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return ent
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}
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BIN
rpgqui.db
BIN
rpgqui.db
Binary file not shown.
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