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package services
import (
"fmt"
"net/url"
"shrine/enums"
"shrine/messages"
"shrine/models"
"shrine/repositories"
"shrine/types/district"
"shrine/types/hypertext"
"shrine/utils/districts"
"shrine/utils/meta"
"strings"
"time"
)
func ListDistricts() []district.DistrictResponse {
responses := make([]district.DistrictResponse, len(districts.All))
for index, entry := range districts.All {
responses[index] = district.DistrictResponse{
Slug: string(entry.Slug),
Name: entry.Name,
Description: entry.Description,
Background: entry.Background,
Foreground: entry.Foreground,
Detail: entry.Detail,
SiteCount: repositories.CountApprovedSitesByDistrict(string(entry.Slug)),
}
}
return responses
}
func ListDistrictSites(pagination meta.Pagination, slug string, tag string, search string) ([]district.SiteResponse, int64) {
sites, total := repositories.ListDistrictSites(pagination, slug, tag, search)
responses := make([]district.SiteResponse, len(sites))
for index, site := range sites {
responses[index] = site.ToResponse()
}
return responses, total
}
func SubmitSite(userID uint, request district.SubmitSiteRequest) (*district.SiteRequestResponse, *hypertext.ServiceError) {
if !districts.IsValid(request.District) {
return nil, fail(enums.BadRequest, messages.InvalidDistrict)
}
title := strings.TrimSpace(request.Title)
if title == "" || len(title) > 200 {
return nil, fail(enums.BadRequest, messages.SiteTitleRequired)
}
siteURL := strings.TrimSpace(request.URL)
if !isValidURL(siteURL) {
return nil, fail(enums.BadRequest, messages.SiteURLRequired)
}
description := strings.TrimSpace(request.Description)
if len(description) > 1000 {
return nil, fail(enums.BadRequest, messages.SiteDescriptionLong)
}
tags, serviceErr := validateTags(request.Tags)
if serviceErr != nil {
return nil, serviceErr
}
existing, _ := repositories.FindDistrictSiteByURL(siteURL)
if existing != nil {
return nil, fail(enums.Conflict, messages.SiteURLTaken)
}
site := models.DistrictSite{
District: request.District,
SubmitterID: userID,
Title: title,
URL: siteURL,
Description: description,
Status: string(enums.SitePending),
}
if err := repositories.CreateDistrictSite(&site); err != nil {
return nil, fail(enums.Internal, messages.FailedSubmitSite)
}
if len(tags) > 0 {
repositories.ReplaceDistrictSiteTags(&site, tags)
}
site.Submitter = models.User{}
record, _ := repositories.FindDistrictSiteByRef(site.Ref)
response := record.ToRequestResponse()
return &response, nil
}
func ReviewSite(adminID uint, ref string, request district.ReviewSiteRequest) (*district.SiteRequestResponse, *hypertext.ServiceError) {
site, serviceErr := resolveDistrictSite(ref)
if serviceErr != nil {
return nil, serviceErr
}
status := enums.SiteStatus(request.Status)
switch status {
case enums.SiteApproved, enums.SiteDenied, enums.SiteHold:
default:
return nil, fail(enums.BadRequest, messages.InvalidSiteStatus)
}
site.Status = request.Status
site.ReviewedByID = &adminID
now := time.Now()
site.ReviewedAt = &now
if err := repositories.UpdateDistrictSite(site); err != nil {
return nil, fail(enums.Internal, messages.FailedReviewSite)
}
var auditMessage string
switch status {
case enums.SiteApproved:
auditMessage = fmt.Sprintf(messages.AuditApprovedSite, site.Ref)
case enums.SiteDenied:
auditMessage = fmt.Sprintf(messages.AuditDeniedSite, site.Ref)
case enums.SiteHold:
auditMessage = fmt.Sprintf(messages.AuditHeldSite, site.Ref)
}
repositories.LogAction(adminID, "district.review", "site", site.Ref, auditMessage, request)
if status == enums.SiteApproved {
go GenerateSiteThumbnail(site.Ref, site.URL)
}
record, _ := repositories.FindDistrictSiteByRef(site.Ref)
response := record.ToRequestResponse()
return &response, nil
}
func EditSite(adminID uint, ref string, request district.EditSiteRequest) (*district.AdminSiteResponse, *hypertext.ServiceError) {
site, serviceErr := resolveDistrictSite(ref)
if serviceErr != nil {
return nil, serviceErr
}
if request.Title != nil {
title := strings.TrimSpace(*request.Title)
if title == "" || len(title) > 200 {
return nil, fail(enums.BadRequest, messages.SiteTitleRequired)
}
site.Title = title
}
if request.Description != nil {
description := strings.TrimSpace(*request.Description)
if len(description) > 1000 {
return nil, fail(enums.BadRequest, messages.SiteDescriptionLong)
}
site.Description = description
}
if request.District != nil {
if !districts.IsValid(*request.District) {
return nil, fail(enums.BadRequest, messages.InvalidDistrict)
}
site.District = *request.District
}
if request.Tags != nil {
tags, tagErr := validateTags(request.Tags)
if tagErr != nil {
return nil, tagErr
}
repositories.ReplaceDistrictSiteTags(site, tags)
}
if err := repositories.UpdateDistrictSite(site); err != nil {
return nil, fail(enums.Internal, messages.FailedEditSite)
}
repositories.LogAction(adminID, "district.edit", "site", site.Ref, fmt.Sprintf(messages.AuditEditedSite, site.Ref), request)
record, _ := repositories.FindDistrictSiteByRef(site.Ref)
response := record.ToAdminResponse()
return &response, nil
}
func ListSiteRequests(pagination meta.Pagination, status string) ([]district.SiteRequestResponse, int64) {
sites, total := repositories.ListDistrictSiteRequests(pagination, status)
responses := make([]district.SiteRequestResponse, len(sites))
for index, site := range sites {
responses[index] = site.ToRequestResponse()
}
return responses, total
}
func ListAdminSites(pagination meta.Pagination, slug string, search string) ([]district.AdminSiteResponse, int64) {
sites, total := repositories.ListAllDistrictSites(pagination, slug, search)
responses := make([]district.AdminSiteResponse, len(sites))
for index, site := range sites {
responses[index] = site.ToAdminResponse()
}
return responses, total
}
func CountPendingSites() int64 {
return repositories.CountPendingDistrictSites()
}
func resolveDistrictSite(ref string) (*models.DistrictSite, *hypertext.ServiceError) {
site, err := repositories.FindDistrictSiteByRef(ref)
if err != nil {
return nil, fail(enums.NotFound, messages.SiteNotFound)
}
return site, nil
}
func isValidURL(raw string) bool {
if raw == "" {
return false
}
parsed, err := url.ParseRequestURI(raw)
if err != nil {
return false
}
return parsed.Scheme == "http" || parsed.Scheme == "https"
}
func validateTags(raw []string) ([]models.DistrictTag, *hypertext.ServiceError) {
if len(raw) > 5 {
return nil, fail(enums.BadRequest, messages.TooManyTags)
}
var tags []models.DistrictTag
for _, name := range raw {
trimmed := strings.TrimSpace(name)
if trimmed == "" {
continue
}
if len(trimmed) > 50 {
return nil, fail(enums.BadRequest, messages.TagTooLong)
}
tag, err := repositories.FindOrCreateTag(trimmed)
if err != nil {
return nil, fail(enums.Internal, messages.FailedSubmitSite)
}
tags = append(tags, *tag)
}
return tags, nil
}
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