Move fetching hcard information to federation lib

hcard.go

+package federation
+//
+// GangGo Diaspora Federation Library
+// Copyright (C) 2017 Lukas Matt <lukas@zauberstuhl.de>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+import (
+  "strings"
+  "github.com/PuerkitoBio/goquery"
+)
+
+type Hcard struct {
+  Guid string
+  Nickname string
+  FullName string
+  Searchable bool
+  PublicKey string
+  FirstName string
+  LastName string
+  Url string
+  Photo string
+  PhotoMedium string
+  PhotoSmall string
+}
+
+
+func (h *Hcard) Fetch(endpoint string) error {
+  resp, err := FetchHtml("GET", endpoint, nil)
+  if err != nil {
+    return err
+  }
+
+  doc, err := goquery.NewDocumentFromResponse(resp)
+  if err != nil {
+    return err
+  }
+
+  doc.Find(".entity_uid").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).Guid = s.Find("span").Text()
+  })
+  doc.Find(".entity_nickname").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).Nickname = s.Find("span").Text()
+  })
+  doc.Find(".entity_full_name").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).FullName = s.Find("span").Text()
+  })
+  doc.Find(".entity_first_name").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).FirstName = s.Find("span").Text()
+  })
+  doc.Find(".entity_family_name").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).LastName = s.Find("span").Text()
+  })
+  doc.Find(".entity_key").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).PublicKey = s.Find("pre").Text()
+  })
+  doc.Find(".entity_url").Each(
+  func(i int, s *goquery.Selection) {
+    (*h).Url = s.Find("a").Text()
+  })
+
+  doc.Find(".entity_searchable").Each(
+  func(i int, s *goquery.Selection) {
+    var searchable bool = false
+    if s.Find("span").Text() == "true" {
+      searchable = true
+    }
+    (*h).Searchable = searchable
+  })
+
+  doc.Find(".entity_photo").Each(
+  func(i int, s *goquery.Selection) {
+    nodes := s.Find("img")
+    for _, node := range nodes.Nodes {
+      for _, attr := range node.Attr {
+        if attr.Key == "src" {
+          value := attr.Val
+          if !strings.HasPrefix(value, "http") {
+            value = h.Url + value
+          }
+          (*h).Photo = value
+        }
+      }
+    }
+  })
+  doc.Find(".entity_photo_medium").Each(
+  func(i int, s *goquery.Selection) {
+    nodes := s.Find("img")
+    for _, node := range nodes.Nodes {
+      for _, attr := range node.Attr {
+        if attr.Key == "src" {
+          value := attr.Val
+          if !strings.HasPrefix(value, "http") {
+            value = h.Url + value
+          }
+          (*h).PhotoMedium = value
+        }
+      }
+    }
+  })
+  doc.Find(".entity_photo_small").Each(
+  func(i int, s *goquery.Selection) {
+    nodes := s.Find("img")
+    for _, node := range nodes.Nodes {
+      for _, attr := range node.Attr {
+        if attr.Key == "src" {
+          value := attr.Val
+          if !strings.HasPrefix(value, "http") {
+            value = h.Url + value
+          }
+          (*h).PhotoSmall = value
+        }
+      }
+    }
+  })
+  return nil
+}