refactor(db): move users and persons functions into separate files
This commit is contained in:
parent
171ca5e52c
commit
fbba2c035f
@ -4,12 +4,9 @@ import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/H1K0/Kiraku/internal/models"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgconn"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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@ -50,270 +47,3 @@ func transaction(ctx context.Context, handler func(pgx.Tx) (statusCode int, err
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}
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return
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}
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//#region Users
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func UserLogin(ctx context.Context, login, password string) (user_id string, err error) {
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row := connPool.QueryRow(ctx, "SELECT id FROM users WHERE login=$1 AND password=crypt($2, password)", login, password)
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err = row.Scan(&user_id)
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return
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}
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func UserAuth(ctx context.Context, user_id string) (ok, editor bool) {
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row := connPool.QueryRow(ctx, "SELECT editor FROM users WHERE id=$1", user_id)
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err := row.Scan(&editor)
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ok = (err == nil)
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return
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}
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//#endregion Users
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//#region Persons
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func PersonsGet(ctx context.Context, user_id, filter, sort string, limit, offset int) (persons models.Persons, statusCode int, err error) {
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ok, _ := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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queryGet := "SELECT id, name, COALESCE(sort_name, '') FROM persons WHERE POSITION($1 IN LOWER(name))>0 OR POSITION($1 IN LOWER(sort_name))>0"
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if sort != "" {
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sort_options := strings.Split(sort, ",")
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queryGet += " ORDER BY "
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for i, sort_option := range sort_options {
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sort_order := sort_option[:1]
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sort_field := sort_option[1:]
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switch sort_order {
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case "+":
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sort_order = "ASC"
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case "-":
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sort_order = "DESC"
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default:
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err = fmt.Errorf("invalid sorting order mark: %q", sort)
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statusCode = http.StatusBadRequest
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return
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}
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switch sort_field {
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case "name":
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case "sortName":
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sort_field = "COALESCE(sort_name, name)"
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case "birthdate":
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case "deathdate":
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default:
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err = fmt.Errorf("invalid sorting field: %q", sort_field)
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statusCode = http.StatusBadRequest
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return
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}
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if i > 0 {
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queryGet += ", "
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}
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queryGet += fmt.Sprintf("%s %s NULLS LAST", sort_field, sort_order)
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}
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}
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queryCount := queryGet
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if limit >= 0 {
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queryGet += fmt.Sprintf(" LIMIT %d", limit)
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}
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if offset > 0 {
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queryGet += fmt.Sprintf(" OFFSET %d", offset)
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}
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filter = strings.ToLower(filter)
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statusCode, err = transaction(ctx, func(tx pgx.Tx) (statusCode int, err error) {
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rows, err := tx.Query(ctx, queryGet, filter)
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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count := 0
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for rows.Next() {
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var person models.PersonBrief
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err = rows.Scan(&person.ID, &person.Name, &person.SortName)
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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persons.Persons = append(persons.Persons, person)
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count++
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}
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err = rows.Err()
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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persons.Pagination.Limit = limit
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persons.Pagination.Offset = offset
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persons.Pagination.Count = count
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queryCount = fmt.Sprintf("SELECT COUNT(*) FROM (%s) tmp", queryCount)
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row := tx.QueryRow(ctx, queryCount, filter)
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err = row.Scan(&persons.Pagination.Total)
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if err != nil {
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statusCode = http.StatusInternalServerError
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}
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return
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})
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if err != nil {
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonGet(ctx context.Context, user_id, person_id string) (person models.Person, statusCode int, err error) {
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ok, _ := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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row := connPool.QueryRow(ctx, "SELECT id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '') FROM persons WHERE id=$1", person_id)
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err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Deathdate)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if err == pgx.ErrNoRows {
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err = fmt.Errorf("not found")
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statusCode = http.StatusNotFound
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} else if pgErr.Code == "22P02" || pgErr.Code == "22007" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonAdd(ctx context.Context, user_id, name, sortName, birthdate, deathdate, info string) (person models.Person, statusCode int, err error) {
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ok, editor := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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if !editor {
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err = fmt.Errorf("not allowed")
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statusCode = http.StatusForbidden
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return
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}
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row := connPool.QueryRow(
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ctx,
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"INSERT INTO persons (name, sort_name, birthdate, deathdate, info) "+
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"VALUES ($1, NULLIF($2, ''), NULLIF($3, '')::date, NULLIF($4, '')::date, NULLIF($5, '')) "+
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"RETURNING id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '')",
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name, sortName, birthdate, deathdate, info,
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)
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err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Info)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if pgErr.Code == "22P02" || pgErr.Code == "22007" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else if pgErr.Code == "23505" {
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err = fmt.Errorf("a person with this name already exists")
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statusCode = http.StatusConflict
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonUpdate(ctx context.Context, user_id, person_id string, values map[string]string) (person models.Person, statusCode int, err error) {
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ok, editor := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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if !editor {
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err = fmt.Errorf("not allowed")
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statusCode = http.StatusForbidden
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return
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}
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statusCode, err = transaction(ctx, func(tx pgx.Tx) (statusCode int, err error) {
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for _, field := range []string{"name", "sortName", "birthdate", "deathdate", "info"} {
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value, ok := values[field]
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if !ok {
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continue
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}
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if field == "sortName" {
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field = "sort_name"
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}
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var query string
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if field == "birthdate" || field == "deathdate" {
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query = fmt.Sprintf("UPDATE persons SET %s=NULLIF($2, '')::date WHERE id=$1", field)
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} else {
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query = fmt.Sprintf("UPDATE persons SET %s=NULLIF($2, '') WHERE id=$1", field)
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}
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var commandTag pgconn.CommandTag
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commandTag, err = tx.Exec(ctx, query, person_id, value)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if pgErr.Code == "22P02" || pgErr.Code == "22007" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else if pgErr.Code == "23505" {
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err = fmt.Errorf("a person with this name already exists")
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statusCode = http.StatusConflict
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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if commandTag.RowsAffected() == 0 {
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err = fmt.Errorf("not found")
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statusCode = http.StatusNotFound
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return
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}
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}
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row := tx.QueryRow(ctx, "SELECT id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '') FROM persons WHERE id=$1", person_id)
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err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Info)
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if err != nil {
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statusCode = http.StatusInternalServerError
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}
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return
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})
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if err != nil {
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonDelete(ctx context.Context, user_id, person_id string) (statusCode int, err error) {
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ok, editor := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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if !editor {
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err = fmt.Errorf("not allowed")
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statusCode = http.StatusForbidden
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return
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}
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commandTag, err := connPool.Exec(ctx, "DELETE FROM persons WHERE id=$1", person_id)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if pgErr.Code == "22P02" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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if commandTag.RowsAffected() == 0 {
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err = fmt.Errorf("not found")
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statusCode = http.StatusNotFound
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return
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}
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statusCode = http.StatusNoContent
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return
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}
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//#endregion Persons
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258
internal/db/persons.go
Normal file
258
internal/db/persons.go
Normal file
@ -0,0 +1,258 @@
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package db
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"github.com/H1K0/Kiraku/internal/models"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgconn"
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)
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func PersonsGet(ctx context.Context, user_id, filter, sort string, limit, offset int) (persons models.Persons, statusCode int, err error) {
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ok, _ := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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queryGet := "SELECT id, name, COALESCE(sort_name, '') FROM persons WHERE POSITION($1 IN LOWER(name))>0 OR POSITION($1 IN LOWER(sort_name))>0"
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if sort != "" {
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sort_options := strings.Split(sort, ",")
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queryGet += " ORDER BY "
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for i, sort_option := range sort_options {
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sort_order := sort_option[:1]
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sort_field := sort_option[1:]
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switch sort_order {
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case "+":
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sort_order = "ASC"
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case "-":
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sort_order = "DESC"
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default:
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err = fmt.Errorf("invalid sorting order mark: %q", sort)
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statusCode = http.StatusBadRequest
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return
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}
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switch sort_field {
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case "name":
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case "sortName":
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sort_field = "COALESCE(sort_name, name)"
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case "birthdate":
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case "deathdate":
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default:
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err = fmt.Errorf("invalid sorting field: %q", sort_field)
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statusCode = http.StatusBadRequest
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return
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}
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if i > 0 {
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queryGet += ", "
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}
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queryGet += fmt.Sprintf("%s %s NULLS LAST", sort_field, sort_order)
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}
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}
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queryCount := queryGet
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if limit >= 0 {
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queryGet += fmt.Sprintf(" LIMIT %d", limit)
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}
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if offset > 0 {
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queryGet += fmt.Sprintf(" OFFSET %d", offset)
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}
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filter = strings.ToLower(filter)
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statusCode, err = transaction(ctx, func(tx pgx.Tx) (statusCode int, err error) {
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rows, err := tx.Query(ctx, queryGet, filter)
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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count := 0
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for rows.Next() {
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var person models.PersonBrief
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err = rows.Scan(&person.ID, &person.Name, &person.SortName)
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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persons.Persons = append(persons.Persons, person)
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count++
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}
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err = rows.Err()
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if err != nil {
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statusCode = http.StatusInternalServerError
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return
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}
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persons.Pagination.Limit = limit
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persons.Pagination.Offset = offset
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persons.Pagination.Count = count
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queryCount = fmt.Sprintf("SELECT COUNT(*) FROM (%s) tmp", queryCount)
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row := tx.QueryRow(ctx, queryCount, filter)
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err = row.Scan(&persons.Pagination.Total)
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if err != nil {
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statusCode = http.StatusInternalServerError
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}
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return
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})
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if err != nil {
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonGet(ctx context.Context, user_id, person_id string) (person models.Person, statusCode int, err error) {
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ok, _ := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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row := connPool.QueryRow(ctx, "SELECT id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '') FROM persons WHERE id=$1", person_id)
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err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Deathdate)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if err == pgx.ErrNoRows {
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err = fmt.Errorf("not found")
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statusCode = http.StatusNotFound
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} else if pgErr.Code == "22P02" || pgErr.Code == "22007" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonAdd(ctx context.Context, user_id, name, sortName, birthdate, deathdate, info string) (person models.Person, statusCode int, err error) {
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ok, editor := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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if !editor {
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err = fmt.Errorf("not allowed")
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statusCode = http.StatusForbidden
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return
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}
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row := connPool.QueryRow(
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ctx,
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"INSERT INTO persons (name, sort_name, birthdate, deathdate, info) "+
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"VALUES ($1, NULLIF($2, ''), NULLIF($3, '')::date, NULLIF($4, '')::date, NULLIF($5, '')) "+
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"RETURNING id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '')",
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name, sortName, birthdate, deathdate, info,
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)
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err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Info)
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if err != nil {
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pgErr := err.(*pgconn.PgError)
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if pgErr.Code == "22P02" || pgErr.Code == "22007" {
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err = fmt.Errorf("%s", pgErr.Message)
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statusCode = http.StatusBadRequest
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} else if pgErr.Code == "23505" {
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err = fmt.Errorf("a person with this name already exists")
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statusCode = http.StatusConflict
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} else {
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statusCode = http.StatusInternalServerError
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}
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return
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}
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statusCode = http.StatusOK
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return
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}
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func PersonUpdate(ctx context.Context, user_id, person_id string, values map[string]string) (person models.Person, statusCode int, err error) {
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ok, editor := UserAuth(ctx, user_id)
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if !ok {
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err = fmt.Errorf("unauthorized")
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statusCode = http.StatusUnauthorized
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return
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}
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if !editor {
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err = fmt.Errorf("not allowed")
|
||||
statusCode = http.StatusForbidden
|
||||
return
|
||||
}
|
||||
statusCode, err = transaction(ctx, func(tx pgx.Tx) (statusCode int, err error) {
|
||||
for _, field := range []string{"name", "sortName", "birthdate", "deathdate", "info"} {
|
||||
value, ok := values[field]
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
if field == "sortName" {
|
||||
field = "sort_name"
|
||||
}
|
||||
var query string
|
||||
if field == "birthdate" || field == "deathdate" {
|
||||
query = fmt.Sprintf("UPDATE persons SET %s=NULLIF($2, '')::date WHERE id=$1", field)
|
||||
} else {
|
||||
query = fmt.Sprintf("UPDATE persons SET %s=NULLIF($2, '') WHERE id=$1", field)
|
||||
}
|
||||
var commandTag pgconn.CommandTag
|
||||
commandTag, err = tx.Exec(ctx, query, person_id, value)
|
||||
if err != nil {
|
||||
pgErr := err.(*pgconn.PgError)
|
||||
if pgErr.Code == "22P02" || pgErr.Code == "22007" {
|
||||
err = fmt.Errorf("%s", pgErr.Message)
|
||||
statusCode = http.StatusBadRequest
|
||||
} else if pgErr.Code == "23505" {
|
||||
err = fmt.Errorf("a person with this name already exists")
|
||||
statusCode = http.StatusConflict
|
||||
} else {
|
||||
statusCode = http.StatusInternalServerError
|
||||
}
|
||||
return
|
||||
}
|
||||
if commandTag.RowsAffected() == 0 {
|
||||
err = fmt.Errorf("not found")
|
||||
statusCode = http.StatusNotFound
|
||||
return
|
||||
}
|
||||
}
|
||||
row := tx.QueryRow(ctx, "SELECT id, name, COALESCE(sort_name, ''), COALESCE(TO_CHAR(birthdate, 'YYYY-MM-DD'), ''), COALESCE(TO_CHAR(deathdate, 'YYYY-MM-DD'), ''), COALESCE(info, '') FROM persons WHERE id=$1", person_id)
|
||||
err = row.Scan(&person.ID, &person.Name, &person.SortName, &person.Birthdate, &person.Deathdate, &person.Info)
|
||||
if err != nil {
|
||||
statusCode = http.StatusInternalServerError
|
||||
}
|
||||
return
|
||||
})
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
statusCode = http.StatusOK
|
||||
return
|
||||
}
|
||||
|
||||
func PersonDelete(ctx context.Context, user_id, person_id string) (statusCode int, err error) {
|
||||
ok, editor := UserAuth(ctx, user_id)
|
||||
if !ok {
|
||||
err = fmt.Errorf("unauthorized")
|
||||
statusCode = http.StatusUnauthorized
|
||||
return
|
||||
}
|
||||
if !editor {
|
||||
err = fmt.Errorf("not allowed")
|
||||
statusCode = http.StatusForbidden
|
||||
return
|
||||
}
|
||||
commandTag, err := connPool.Exec(ctx, "DELETE FROM persons WHERE id=$1", person_id)
|
||||
if err != nil {
|
||||
pgErr := err.(*pgconn.PgError)
|
||||
if pgErr.Code == "22P02" {
|
||||
err = fmt.Errorf("%s", pgErr.Message)
|
||||
statusCode = http.StatusBadRequest
|
||||
} else {
|
||||
statusCode = http.StatusInternalServerError
|
||||
}
|
||||
return
|
||||
}
|
||||
if commandTag.RowsAffected() == 0 {
|
||||
err = fmt.Errorf("not found")
|
||||
statusCode = http.StatusNotFound
|
||||
return
|
||||
}
|
||||
statusCode = http.StatusNoContent
|
||||
return
|
||||
}
|
||||
16
internal/db/users.go
Normal file
16
internal/db/users.go
Normal file
@ -0,0 +1,16 @@
|
||||
package db
|
||||
|
||||
import "context"
|
||||
|
||||
func UserLogin(ctx context.Context, login, password string) (user_id string, err error) {
|
||||
row := connPool.QueryRow(ctx, "SELECT id FROM users WHERE login=$1 AND password=crypt($2, password)", login, password)
|
||||
err = row.Scan(&user_id)
|
||||
return
|
||||
}
|
||||
|
||||
func UserAuth(ctx context.Context, user_id string) (ok, editor bool) {
|
||||
row := connPool.QueryRow(ctx, "SELECT editor FROM users WHERE id=$1", user_id)
|
||||
err := row.Scan(&editor)
|
||||
ok = (err == nil)
|
||||
return
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user