first commitv1.0.0

1 files changed, 99 insertions, 0 deletions

diff --git a/search_query.go b/search_query.go
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index 0000000..ac5e178
--- /dev/null
+++ b/search_query.go
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+/* meow - Get search results from Nyaa through web scraping with GoLang
+ * Copyright (C) 2024  Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * 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
+ * (at your option) 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 <https://www.gnu.org/licenses/>.
+ */
+
+package meow
+
+import (
+  "fmt"
+  "errors"
+)
+
+type Category struct {
+  Category    int
+  SubCategory int
+}
+
+type SearchQuery struct {
+  BaseURL      string
+  SearchString string
+  Filter       int
+  Category     Category
+  Page         int
+}
+
+const (
+  FilterNone        int = 0
+  FilterNoRemakes   int = 1
+  FilterTrustedOnly int = 2
+)
+
+var (
+  CategoryAll                  = Category{ Category: 0, SubCategory: 0 }
+
+  CategoryAnime                = Category{ Category: 1, SubCategory: 0 }
+  CategoryAnimeAMV             = Category{ Category: 1, SubCategory: 1 }
+  CategoryAnimeEnglish         = Category{ Category: 1, SubCategory: 2 }
+  CategoryAnimeNonEnglish      = Category{ Category: 1, SubCategory: 3 }
+  CategoryAnimeRaw             = Category{ Category: 1, SubCategory: 4 }
+
+  CategoryAudio                = Category{ Category: 2, SubCategory: 0 }
+  CategoryAudioLossless        = Category{ Category: 2, SubCategory: 1 }
+  CategoryAudioLossy           = Category{ Category: 2, SubCategory: 2 }
+
+  CategoryLiterature           = Category{ Category: 3, SubCategory: 0 }
+  CategoryLiteratureEnglish    = Category{ Category: 3, SubCategory: 1 }
+  CategoryLiteratureNonEnglish = Category{ Category: 3, SubCategory: 2 }
+  CategoryLiteratureRaw        = Category{ Category: 3, SubCategory: 3 }
+
+  CategoryLiveAction           = Category{ Category: 4, SubCategory: 0 }
+  CategoryLiveActionEnglish    = Category{ Category: 4, SubCategory: 1 }
+  CategoryLiveActionIdolPV     = Category{ Category: 4, SubCategory: 2 }
+  CategoryLiveActionNonEnglish = Category{ Category: 4, SubCategory: 3 }
+  CategoryLiveActionRaw        = Category{ Category: 4, SubCategory: 4 }
+
+  CategoryPictures             = Category{ Category: 5, SubCategory: 0 }
+  CategoryPicturesGraphics     = Category{ Category: 5, SubCategory: 1 }
+  CategoryPicturesPhotos       = Category{ Category: 5, SubCategory: 2 }
+
+  CategorySoftware             = Category{ Category: 6, SubCategory: 0 }
+  CategorySoftwareApps         = Category{ Category: 6, SubCategory: 1 }
+  CategorySoftwareGames        = Category{ Category: 6, SubCategory: 2 }
+)
+
+func (q SearchQuery) Build() (string, error) {
+  if q.BaseURL == "" {
+    q.BaseURL = "nyaa.si"
+  }
+
+  if len(q.BaseURL) < 8 || q.BaseURL[:8] != "https://" {
+    q.BaseURL = "https://" + q.BaseURL
+  }
+
+  if q.BaseURL[len(q.BaseURL) - 1:] != "/" {
+    q.BaseURL = q.BaseURL + "/"
+  }
+
+  if q.Page < 1 {
+    q.Page = 1
+  }
+
+  if q.Page > 100 {
+    return "", errors.New("max page number is 100")
+  }
+
+  return fmt.Sprintf("%s?f=%d&c=%d_%d&q=%s&p=%d", q.BaseURL, q.Filter, q.Category.Category, q.Category.SubCategory, q.SearchString, q.Page), nil
+}