Парсер медии с кастомным разрешением

.vscode/launch.json

@@ -1,16 +0,0 @@
-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "name": "Launch Package",
-            "type": "go",
-            "request": "launch",
-            "mode": "debug",
-            "program": "${fileDirname}",
-            "showLog": true
-        }
-    ]
-}

.vscode/settings.json

@@ -1,5 +0,0 @@
-{
-    "go.toolsEnvVars": {
-        "GOROOT": ""
-    }
-}

README.md

@@ -1,9 +1,9 @@
 # Devianter
 
-[![Please don't upload to GitHub](https://nogithub.codeberg.page/badge.svg)](https://nogithub.codeberg.page) [![Go Reference](https://pkg.go.dev/badge/git.macaw.me/skunky/devianter.svg)](https://pkg.go.dev/git.macaw.me/skunky/devianter) [![License: AGPL v3](https://img.shields.io/badge/License-AGPL%20v3-blue.svg)](https://www.gnu.org/licenses/agpl-3.0)
+[![Please don't upload to GitHub](https://nogithub.codeberg.page/badge.svg)](https://nogithub.codeberg.page) [![Go Reference](https://pkg.go.dev/badge/git.macaw.me/skunky/devianter.svg)](https://pkg.go.dev/git.macaw.me/skunky/devianter)
 
 
-A DeviantART API library for Go.
+A DeviantART guest API library for Go.
 
 
 I'll probably write up some documentation, but more on that later.

comments.go

@@ -11,7 +11,7 @@ type Thread struct {
 	ID             int `json:"commentId"`
 	Parent         int `json:"parentId"`
 
-	Posted time
+	Posted timeStamp
 	Author bool `json:"isAuthorHighlited"`
 
 	Desctiption string
@@ -35,7 +35,7 @@ type Comments struct {
 }
 
 // 1 - комментарии поста; 4 - комментарии на стене группы или пользователя
-func CommentsFunc(postid string, cursor string, page int, typ int) (cmmts Comments) {
+func GetComments(postid string, cursor string, page int, typ int) (cmmts Comments) {
 	for x := 0; x <= page; x++ {
 		ujson(
 			"dashared/comments/thread?typeid="+strconv.Itoa(typ)+
@@ -60,7 +60,7 @@ func CommentsFunc(postid string, cursor string, page int, typ int) (cmmts Commen
 				}
 
 				e := json.Unmarshal([]byte(m), &content)
-				err(e)
+				try(e)
 
 				for _, a := range content.Blocks {
 					cmmts.Thread[i].Comment = a.Text

deviantion.go

@@ -4,26 +4,26 @@ import (
 	"encoding/json"
 	"strconv"
 	"strings"
-	timelib "time"
+	"time"
 )
 
 // хрень для парсинга времени публикации
-type time struct {
-	timelib.Time
+type timeStamp struct {
+	time.Time
 }
 
-func (t *time) UnmarshalJSON(b []byte) (err error) {
+func (t *timeStamp) UnmarshalJSON(b []byte) (err error) {
 	if b[0] == '"' && b[len(b)-1] == '"' {
 		b = b[1 : len(b)-1]
 	}
-	t.Time, err = timelib.Parse("2006-01-02T15:04:05-0700", string(b))
+	t.Time, err = time.Parse("2006-01-02T15:04:05-0700", string(b))
 	return
 }
 
 // самая главная структура для поста
 type Deviation struct {
 	Title, Url, License string
-	PublishedTime       time
+	PublishedTime       timeStamp
 	ID                  int `json:"deviationId"`
 
 	NSFW bool `json:"isMature"`
@@ -82,7 +82,7 @@ type Post struct {
 
 	ParsedComments []struct {
 		Author         string
-		Posted         time
+		Posted         timeStamp
 		Replies, Likes int
 	}
 
@@ -90,12 +90,25 @@ type Post struct {
 }
 
 // преобразование урла в правильный
-func UrlFromMedia(m Media) string {
+func UrlFromMedia(m Media, thumb ...int) string {
 	var url strings.Builder
+
+	subtractWidthHeight := func(to int, target ...*int) {
+		for i, l := 0, len(target); i < l; i++ {
+			for x := *target[i]; x > to; x -= to {
+				*target[i] = x
+			}
+		}
+	}
+
 	for _, t := range m.Types {
 		if t.T == "fullview" {
 			url.WriteString(m.BaseUri)
 			if m.BaseUri[len(m.BaseUri)-3:] != "gif" && t.W*t.H < 33177600 {
+				if len(thumb) != 0 {
+					subtractWidthHeight(thumb[0], &t.W, &t.H)
+				}
+
 				url.WriteString("/v1/fit/w_")
 				url.WriteString(strconv.Itoa(t.W))
 				url.WriteString(",h_")
@@ -110,11 +123,12 @@ func UrlFromMedia(m Media) string {
 			}
 		}
 	}
+
 	return url.String()
 }
 
 // для работы функции нужно ID поста и имя пользователя.
-func DeviationFunc(id string, user string) Post {
+func GetDeviation(id string, user string) Post {
 	var st Post
 	ujson(
 		"dadeviation/init?deviationid="+id+"&username="+user+"&type=art&include_session=false&expand=deviation.related&preload=true",

misc.go

@@ -4,13 +4,16 @@ import (
 	"errors"
 	"log"
 	"math"
-	u "net/url"
+	"net/url"
 	"strconv"
 	"strings"
 )
 
 /* AVATARS AND EMOJIS */
 func AEmedia(name string, t rune) (string, error) {
+	if len(name) < 2 {
+		return "", errors.New("name must be specified")
+	}
 	// список всех возможных расширений
 	var extensions = [3]string{
 		".jpg",
@@ -25,9 +28,10 @@ func AEmedia(name string, t rune) (string, error) {
 	switch t {
 	case 'a':
 		b.WriteString("https://a.deviantart.net/avatars-big/")
-		b.WriteString(name[:1])
+		name_without_dashes := strings.ReplaceAll(name, "-", "_")
+		b.WriteString(name_without_dashes[:1])
 		b.WriteString("/")
-		b.WriteString(name[1:2])
+		b.WriteString(name_without_dashes[1:2])
 		b.WriteString("/")
 	case 'e':
 		b.WriteString("https://e.deviantart.net/emoticons/")
@@ -60,7 +64,7 @@ type DailyDeviations struct {
 	Deviations []Deviation
 }
 
-func DailyDeviationsFunc(page int) (dd DailyDeviations) {
+func GetDailyDeviations(page int) (dd DailyDeviations) {
 	ujson("dabrowse/networkbar/rfy/deviations?page="+strconv.Itoa(page), &dd)
 	return
 }
@@ -74,23 +78,21 @@ type Search struct {
 	ResultsGalleryTemp []Deviation `json:"results"`
 }
 
-func SearchFunc(query string, page int, scope rune, user ...string) (ss Search, e error) {
-	var url strings.Builder
+func PerformSearch(query string, page int, scope rune, user ...string) (ss Search, e error) {
+	var buildurl strings.Builder
 	e = nil
 
 	// о5 построение ссылок.
 	switch scope {
 	case 'a': // поиск артов по названию
-		url.WriteString("dabrowse/search/all?q=")
+		buildurl.WriteString("dabrowse/search/all?q=")
 	case 't': // поиск артов по тегам
-		url.WriteString("dabrowse/networkbar/tag/deviations?tag=")
+		buildurl.WriteString("dabrowse/networkbar/tag/deviations?tag=")
 	case 'g': // поиск артов пользователя или группы
 		if user != nil {
-			url.WriteString("dashared/gallection/search?username=")
-			for _, a := range user {
-				url.WriteString(a)
-			}
-			url.WriteString("&type=gallery&order=most-recent&init=true&limit=50&q=")
+			buildurl.WriteString("dashared/gallection/search?username=")
+			buildurl.WriteString(user[0])
+			buildurl.WriteString("&type=gallery&order=most-recent&init=true&limit=50&q=")
 		} else {
 			e = errors.New("missing username (last argument)")
 			return
@@ -99,16 +101,16 @@ func SearchFunc(query string, page int, scope rune, user ...string) (ss Search,
 		log.Fatalln("Invalid type.\n- 'a' -- all;\n- 't' -- tag;\n- 'g' - gallery.")
 	}
 
-	url.WriteString(u.QueryEscape(query))
+	buildurl.WriteString(url.QueryEscape(query))
 	if scope != 'g' { // если область поиска не равна поиску по группам, то активируется этот код
-		url.WriteString("&page=")
+		buildurl.WriteString("&page=")
 	} else { // иначе вместо страницы будет оффсет и страница умножится на 50
-		url.WriteString("&offset=")
+		buildurl.WriteString("&offset=")
 		page = 50 * page
 	}
-	url.WriteString(strconv.Itoa(page))
+	buildurl.WriteString(strconv.Itoa(page))
 
-	ujson(url.String(), &ss)
+	ujson(buildurl.String(), &ss)
 
 	if scope == 'g' {
 		ss.Results = ss.ResultsGalleryTemp

todo.md

@@ -1,2 +0,0 @@
-- groups
-- images in comments

user-group.go

@@ -1,44 +1,12 @@
 package devianter
 
 import (
+	"errors"
 	"strconv"
 	"strings"
 )
 
 // структура группы или пользователя
-type GroupAbout struct {
-	FoundatedAt time `json:"foundationTs"`
-	Description Text
-}
-type GroupAdmins struct {
-	Results []struct {
-		TypeId int
-		User   struct {
-			Username string
-		}
-	}
-}
-
-type About struct {
-	Country, Website, WebsiteLabel, Gender string
-	RegDate                                int64 `json:"deviantFor"`
-	Description                            Text  `json:"textContent"`
-
-	SocialLinks []struct {
-		Value string
-	}
-	Interests []struct {
-		Label, Value string
-	}
-}
-
-type users struct {
-	About          About
-	CoverDeviation struct {
-		Deviation Deviation `json:"coverDeviation"`
-	}
-}
-
 type GRuser struct {
 	ErrorDescription string
 	Owner            struct {
@@ -106,14 +74,21 @@ type Group struct {
 }
 
 // подходит как группа, так и пользователь
-func (s Group) GroupFunc() (g GRuser) {
+func (s Group) GetGroup() (g GRuser, err error) {
+	if s.Name == "" {
+		return g, errors.New("missing Name field")
+	}
 	ujson("dauserprofile/init/about?username="+s.Name, &g)
 
 	return
 }
 
 // гарелея пользователя или группы
-func (s Group) Gallery(page int, folderid ...int) (g Group) {
+func (s Group) GetGallery(page int, folderid ...int) (g Group, err error) {
+	if s.Name == "" {
+		return g, errors.New("missing Name field")
+	}
+
 	var url strings.Builder
 	if folderid[0] > 0 {
 		page--
@@ -137,3 +112,36 @@ func (s Group) Gallery(page int, folderid ...int) (g Group) {
 	ujson(url.String(), &g.Content)
 	return
 }
+
+type GroupAbout struct {
+	FoundatedAt timeStamp `json:"foundationTs"`
+	Description Text
+}
+type GroupAdmins struct {
+	Results []struct {
+		TypeId int
+		User   struct {
+			Username string
+		}
+	}
+}
+
+type About struct {
+	Country, Website, WebsiteLabel, Gender string
+	RegDate                                int64 `json:"deviantFor"`
+	Description                            Text  `json:"textContent"`
+
+	SocialLinks []struct {
+		Value string
+	}
+	Interests []struct {
+		Label, Value string
+	}
+}
+
+type users struct {
+	About          About
+	CoverDeviation struct {
+		Deviation Deviation `json:"coverDeviation"`
+	}
+}

util.go

@@ -9,7 +9,7 @@ import (
 )
 
 // функция для высера ошибки в stderr
-func err(txt error) {
+func try(txt error) {
 	if txt != nil {
 		println(txt.Error())
 	}
@@ -17,11 +17,9 @@ func err(txt error) {
 
 // сокращение для вызова щенка и парсинга жсона
 func ujson(data string, output any) {
-	input, e := puppy(data)
-	err(e)
-
-	eee := json.Unmarshal([]byte(input), output)
-	err(eee)
+	input, err := puppy(data)
+	try(err)
+	try(json.Unmarshal([]byte(input), output))
 }
 
 /* REQUEST SECTION */
@@ -34,32 +32,32 @@ type reqrt struct {
 }
 
 // функция для совершения запроса
+var UserAgent string
+
 func request(uri string, other ...string) reqrt {
 	var r reqrt
 
 	// создаём новый запрос
 	cli := &http.Client{}
 	req, e := http.NewRequest("GET", uri, nil)
-	err(e)
+	try(e)
 
 	req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0.0")
 
 	// куки и UA-шник
-	for num, rng := range other {
-		switch num {
-		case 1:
-			req.Header.Set("User-Agent", rng)
-		case 0:
-			req.Header.Set("Cookie", rng)
+	if UserAgent != "" {
+		req.Header.Set("User-Agent", UserAgent)
 	}
+	if len(other) != 0 {
+		req.Header.Set("Cookie", other[0])
 	}
 
 	resp, e := cli.Do(req)
-	err(e)
+	try(e)
 	defer resp.Body.Close()
 
 	body, e := io.ReadAll(resp.Body)
-	err(e)
+	try(e)
 
 	// заполняем структуру
 	r.Body = string(body)