Add reading time

Author: aba2222

app/src/main/java/com/capyreader/app/ui/accounts/LoginModule.kt

@@ -1,6 +1,6 @@
 package com.capyreader.app.ui.accounts
 
-import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.core.module.dsl.viewModel
 import org.koin.dsl.module
 
 val loginModule = module {

app/src/main/java/com/capyreader/app/ui/articles/ArticlesModule.kt

@@ -3,7 +3,7 @@ package com.capyreader.app.ui.articles
 import com.capyreader.app.preferences.AppPreferences
 import com.capyreader.app.ui.articles.feeds.edit.EditFeedViewModel
 import com.jocmp.capy.articles.ArticleRenderer
-import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.core.module.dsl.viewModel
 import org.koin.dsl.module
 
 internal val articlesModule = module {

app/src/main/java/com/capyreader/app/ui/settings/SettingsModule.kt

@@ -6,7 +6,7 @@ import com.capyreader.app.ui.settings.panels.DisplaySettingsViewModel
 import com.capyreader.app.ui.settings.panels.GeneralSettingsViewModel
 import com.capyreader.app.ui.settings.panels.GesturesSettingsViewModel
 import com.capyreader.app.ui.settings.panels.SettingsViewModel
-import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.core.module.dsl.viewModel
 import org.koin.androidx.workmanager.dsl.worker
 import org.koin.dsl.module
 

capy/src/main/java/com/jocmp/capy/articles/ArticleRenderer.kt

@@ -42,6 +42,10 @@ class ArticleRenderer(
             article.feedName
         }
 
+        val characters = article.content.length;
+        val charactersPerMinute = if (isCJK(article.content)) 265 else 500
+        val readingTime = (characters + charactersPerMinute - 1) / charactersPerMinute; // 向上取整分钟
+
         val substitutions = colors + mapOf(
             "external_link" to article.externalLink(),
             "title" to title,
@@ -52,6 +56,7 @@ class ArticleRenderer(
             "font_preload" to fontPreload(fontFamily),
             "top_margin" to topMargin(),
             "pre_white_space" to preWhiteSpace(),
+            "reading_time" to "$readingTime min read"
         )
 
         val html = MacroProcessor(
@@ -106,6 +111,23 @@ class ArticleRenderer(
                 """.trimIndent()
         }
     }
+
+    fun isCJK(text: String): Boolean {
+        for (ch in text) {
+            val code = ch.code
+            if (
+                (code in 0x4E00..0x9FFF) || // 汉字
+                (code in 0x3400..0x4DBF) || // 扩展A
+                (code in 0x20000..0x2A6DF) || // 扩展B
+                (code in 0x3040..0x309F) || // 日文平假名
+                (code in 0x30A0..0x30FF) || // 日文片假名
+                (code in 0xAC00..0xD7AF)    // 韩文音节
+            ) {
+                return true
+            }
+        }
+        return false
+    }
 }
 
 private val Document.content