9 changed files with 225 additions and 33 deletions
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+9 -0databaseMigrations.go
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+5 -4go.mod
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+10 -9go.sum
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+9 -0http.go
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+144 -2notifications.go
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+20 -17render.go
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+1 -1templates/commentsadmin.gohtml
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+26 -0templates/notificationsadmin.gohtml
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+1 -0templates/strings/default.yaml
+ 9
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databaseMigrations.go
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+ 5
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go.mod
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+ 10
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go.sum
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+ 9
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http.go
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+ 144
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notifications.go
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| @ -1,15 +1,157 @@ | |||
| package main | |||
| import ( | |||
| "database/sql" | |||
| "fmt" | |||
| "log" | |||
| "net/http" | |||
| "reflect" | |||
| "strconv" | |||
| "time" | |||
| "github.com/go-chi/chi" | |||
| "github.com/vcraescu/go-paginator" | |||
| ) | |||
| type notification struct { | |||
| ID int | |||
| Time int64 | |||
| Text string | |||
| } | |||
| func sendNotification(text string) { | |||
| log.Println("Notification:", text) | |||
| n := ¬ification{ | |||
| Time: time.Now().Unix(), | |||
| Text: text, | |||
| } | |||
| if err := saveNotification(n); err != nil { | |||
| log.Println("Failed to save notification:", err.Error()) | |||
| } | |||
| if appConfig.Notifications.Telegram.Enabled { | |||
| err := sendTelegramMessage(text, "", appConfig.Notifications.Telegram.BotToken, appConfig.Notifications.Telegram.ChatID) | |||
| err := sendTelegramMessage(n.Text, "", appConfig.Notifications.Telegram.BotToken, appConfig.Notifications.Telegram.ChatID) | |||
| if err != nil { | |||
| log.Println("Failed to send Telegram notification:", err.Error()) | |||
| } | |||
| } | |||
| } | |||
| func saveNotification(n *notification) error { | |||
| if _, err := appDbExec("insert into notifications (time, text) values (@time, @text)", sql.Named("time", n.Time), sql.Named("text", n.Text)); err != nil { | |||
| return err | |||
| } | |||
| return nil | |||
| } | |||
| type notificationsRequestConfig struct { | |||
| offset, limit int | |||
| } | |||
| func buildNotificationsQuery(config *notificationsRequestConfig) (query string, args []interface{}) { | |||
| args = []interface{}{} | |||
| query = "select id, time, text from notifications order by id desc" | |||
| if config.limit != 0 || config.offset != 0 { | |||
| query += " limit @limit offset @offset" | |||
| args = append(args, sql.Named("limit", config.limit), sql.Named("offset", config.offset)) | |||
| } | |||
| return | |||
| } | |||
| func getNotifications(config *notificationsRequestConfig) ([]*notification, error) { | |||
| notifications := []*notification{} | |||
| query, args := buildNotificationsQuery(config) | |||
| rows, err := appDbQuery(query, args...) | |||
| if err != nil { | |||
| return nil, err | |||
| } | |||
| for rows.Next() { | |||
| n := ¬ification{} | |||
| err = rows.Scan(&n.ID, &n.Time, &n.Text) | |||
| if err != nil { | |||
| return nil, err | |||
| } | |||
| notifications = append(notifications, n) | |||
| } | |||
| return notifications, nil | |||
| } | |||
| func countNotifications(config *notificationsRequestConfig) (count int, err error) { | |||
| query, params := buildNotificationsQuery(config) | |||
| query = "select count(*) from (" + query + ")" | |||
| row, err := appDbQueryRow(query, params...) | |||
| if err != nil { | |||
| return | |||
| } | |||
| err = row.Scan(&count) | |||
| return | |||
| } | |||
| type notificationsPaginationAdapter struct { | |||
| config *notificationsRequestConfig | |||
| nums int64 | |||
| } | |||
| func (p *notificationsPaginationAdapter) Nums() (int64, error) { | |||
| if p.nums == 0 { | |||
| nums, _ := countNotifications(p.config) | |||
| p.nums = int64(nums) | |||
| } | |||
| return p.nums, nil | |||
| } | |||
| func (p *notificationsPaginationAdapter) Slice(offset, length int, data interface{}) error { | |||
| modifiedConfig := *p.config | |||
| modifiedConfig.offset = offset | |||
| modifiedConfig.limit = length | |||
| notifications, err := getNotifications(&modifiedConfig) | |||
| reflect.ValueOf(data).Elem().Set(reflect.ValueOf(¬ifications).Elem()) | |||
| return err | |||
| } | |||
| func notificationsAdmin(notificationPath string) func(http.ResponseWriter, *http.Request) { | |||
| return func(w http.ResponseWriter, r *http.Request) { | |||
| // Adapter | |||
| pageNoString := chi.URLParam(r, "page") | |||
| pageNo, _ := strconv.Atoi(pageNoString) | |||
| p := paginator.New(¬ificationsPaginationAdapter{config: ¬ificationsRequestConfig{}}, 10) | |||
| p.SetPage(pageNo) | |||
| var notifications []*notification | |||
| err := p.Results(¬ifications) | |||
| if err != nil { | |||
| serveError(w, r, err.Error(), http.StatusInternalServerError) | |||
| return | |||
| } | |||
| // Navigation | |||
| var hasPrev, hasNext bool | |||
| var prevPage, nextPage int | |||
| var prevPath, nextPath string | |||
| hasPrev, _ = p.HasPrev() | |||
| if hasPrev { | |||
| prevPage, _ = p.PrevPage() | |||
| } else { | |||
| prevPage, _ = p.Page() | |||
| } | |||
| if prevPage < 2 { | |||
| prevPath = notificationPath | |||
| } else { | |||
| prevPath = fmt.Sprintf("%s/page/%d", notificationPath, prevPage) | |||
| } | |||
| hasNext, _ = p.HasNext() | |||
| if hasNext { | |||
| nextPage, _ = p.NextPage() | |||
| } else { | |||
| nextPage, _ = p.Page() | |||
| } | |||
| nextPath = fmt.Sprintf("%s/page/%d", notificationPath, nextPage) | |||
| // Render | |||
| render(w, templateNotificationsAdmin, &renderData{ | |||
| Data: map[string]interface{}{ | |||
| "Notifications": notifications, | |||
| "HasPrev": hasPrev, | |||
| "HasNext": hasNext, | |||
| "Prev": slashIfEmpty(prevPath), | |||
| "Next": slashIfEmpty(nextPath), | |||
| }, | |||
| }) | |||
| } | |||
| } | |||
+ 20
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render.go
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+ 1
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templates/commentsadmin.gohtml
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+ 26
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templates/notificationsadmin.gohtml
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| @ -0,0 +1,26 @@ | |||
| {{ define "title" }} | |||
| <title>{{ string .Blog.Lang "notifications" }} - {{ .Blog.Title }}</title> | |||
| {{ end }} | |||
| {{ define "main" }} | |||
| <main> | |||
| <h1>{{ string .Blog.Lang "notifications" }}</h1> | |||
| {{ range $i, $notification := .Data.Notifications }} | |||
| <p> | |||
| ID: {{ $notification.ID }}<br/> | |||
| Time: {{ unixtodate $notification.Time }}<br/> | |||
| Text: {{ $notification.Text }} | |||
| </p> | |||
| {{ end }} | |||
| {{ if .Data.HasPrev }} | |||
| <p><a href="{{ .Data.Prev }}">{{ string .Blog.Lang "prev" }}</a></p> | |||
| {{ end }} | |||
| {{ if .Data.HasNext }} | |||
| <p><a href="{{ .Data.Next }}">{{ string .Blog.Lang "next" }}</a></p> | |||
| {{ end }} | |||
| </main> | |||
| {{ end }} | |||
| {{ define "notificationsadmin" }} | |||
| {{ template "base" . }} | |||
| {{ end }} | |||