80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
package main
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import (
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"context"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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var dbConn *pgxpool.Pool
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func DbInit(ctx context.Context) {
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var err error
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dbConn, err = pgxpool.New(ctx, "postgres://master:secret@localhost:5432") // TODO change to env in production
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if err != nil {
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panic(err)
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}
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_, err = dbConn.Exec(ctx, `
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CREATE TABLE IF NOT EXISTS client (
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id SERIAL PRIMARY KEY,
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name VARCHAR(20) UNIQUE NOT NULL,
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pass_hash VARCHAR(60) NOT NULL,
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pronouns VARCHAR(15) DEFAULT NULL,
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color_red SMALLINT DEFAULT NULL,
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color_green SMALLINT DEFAULT NULL,
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color_blue SMALLINT DEFAULT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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)
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`)
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if err != nil {
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panic(err)
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}
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_, err = dbConn.Exec(ctx, `
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CREATE TABLE IF NOT EXISTS chat_groups (
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id SERIAL PRIMARY KEY,
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name VARCHAR(48) NOT NULL,
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creator_id INTEGER NOT NULL REFERENCES client(id) ON DELETE CASCADE,
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owner_id INTEGER NOT NULL REFERENCES client(id) ON DELETE CASCADE,
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enable_user_colors BOOLEAN NOT NULL DEFAULT true,
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color_red SMALLINT DEFAULT NULL,
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color_green SMALLINT DEFAULT NULL,
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color_blue SMALLINT DEFAULT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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)
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`)
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if err != nil {
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panic(err)
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}
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_, err = dbConn.Exec(ctx, `
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CREATE TABLE IF NOT EXISTS chat_group_members (
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group_id INTEGER NOT NULL REFERENCES chat_groups(id) ON DELETE CASCADE,
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user_id INTEGER NOT NULL REFERENCES client(id) ON DELETE CASCADE,
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joined_at TIMESTAMP NOT NULL DEFAULT NOW(),
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PRIMARY KEY (group_id, user_id)
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)
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`)
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if err != nil {
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panic(err)
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}
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}
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func DbSaveClientWithoutGroups(ctx context.Context, client *Client) error {
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err := dbConn.QueryRow(ctx, `
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INSERT INTO clients (name, pass_hash, pronouns, color_red, color_green, color_blue, created_at)
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VALUES ($1, $2, $3, $4, $5, $6, $7)
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RETURNING id
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`, client.Name, client.PasswordHash, client.Pronouns, client.Color[0], client.Color[1], client.Color[2], client.CreatedAt).
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Scan(&client.Id)
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return err
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}
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func DbGetClientByName(ctx context.Context, client *Client) error {
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err := dbConn.QueryRow(ctx, `
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SELECT name, pass_hash, color_red, color_green, color_blue, created_at FROM clients WHERE name = $1
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`, client.Name).Scan(&client.Name, &client.PasswordHash, client.Pronouns, client.Color[0], client.Color[1], client.Color[2], client.CreatedAt)
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return err
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}
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