lolibrary/lolibrary

package handler

import (
    "github.com/lolibrary/lolibrary/libraries/validation"
    "github.com/lolibrary/lolibrary/service.attribute/dao"
    "github.com/lolibrary/lolibrary/service.attribute/domain"
    "github.com/lolibrary/lolibrary/service.attribute/marshaling"
    attributeproto "github.com/lolibrary/lolibrary/service.attribute/proto"

    "github.com/monzo/slog"
    "github.com/monzo/typhon"
)

func handleReadAttribute(req typhon.Request) typhon.Response {
    body := &attributeproto.GETReadAttributeRequest{}
    if err := req.Decode(body); err != nil {
        slog.Error(req, "Error decoding body: %v", err)
        return typhon.Response{Error: err}
    }

    switch {
    case !validation.AtLeastOne(body.Id, body.Slug):
        return typhon.Response{Error: validation.ErrMissingOneOf("id", "slug", "short_name")}
    case body.Slug != "" && !validation.Slug(body.Slug):
        return typhon.Response{Error: validation.ErrBadSlug("slug", body.Slug)}
    }

    var (
        attribute *domain.Attribute
        err       error
    )

    switch {
    case body.Id != "":
        attribute, err = dao.ReadAttribute(req, body.Id)
    case body.Slug != "":
        attribute, err = dao.ReadAttributeBySlug(req, body.Slug)
    }

    if err != nil {
        slog.Error(req, "Error fetching attribute: %v", err)
        return typhon.Response{Error: err}
    }

    return req.Response(&attributeproto.GETReadAttributeResponse{
        Attribute: marshaling.AttributeToProto(attribute),
    })
}