Add tags to markdown (#151)

* refactor: update terminology from 'deeplink' to 'link' for consistency

* feat: enhance markdown sync with tags and update query for linked items

Author: yogeshpaliyal

app/src/main/java/com/yogeshpaliyal/deepr/sync/SyncRepositoryImpl.kt

@@ -2,8 +2,8 @@ package com.yogeshpaliyal.deepr.sync
 
 import android.content.Context
 import androidx.core.net.toUri
-import com.yogeshpaliyal.deepr.Deepr
 import com.yogeshpaliyal.deepr.DeeprQueries
+import com.yogeshpaliyal.deepr.ListDeeprWithTagsAsc
 import com.yogeshpaliyal.deepr.R
 import com.yogeshpaliyal.deepr.preference.AppPreferenceDataStore
 import com.yogeshpaliyal.deepr.util.RequestResult
@@ -41,7 +41,7 @@ class SyncRepositoryImpl(
                             return@withContext RequestResult.Error(context.getString(R.string.no_data_to_export))
                         }
 
-                        val dataToSync = deeprQueries.listDeeprAsc().executeAsList()
+                        val dataToSync = deeprQueries.listDeeprWithTagsAsc().executeAsList()
                         if (dataToSync.isEmpty()) {
                             return@withContext RequestResult.Error(context.getString(R.string.no_data_available_export))
                         }
@@ -96,7 +96,7 @@ class SyncRepositoryImpl(
 
     private fun writeMarkdownData(
         file: OutputStream,
-        data: List<Deepr>,
+        data: List<ListDeeprWithTagsAsc>,
     ) {
         file.use { outputStream ->
             outputStream.bufferedWriter().use { writer ->
@@ -109,14 +109,26 @@ class SyncRepositoryImpl(
                 writer.write("**Warning:** Please maintain the markdown table format when editing this file.\n\n")
 
                 // Write markdown table header
-                writer.write("| Name | Link | Created At | Opened Count |\n")
-                writer.write("|------|------|------------|--------------|\n")
+                writer.write("| Name | Link | Created At | Opened Count | Tags |\n")
+                writer.write("|------|------|------------|--------------|------|\n")
 
                 // Write data rows
                 data.forEach { item ->
                     val escapedName = item.name.replace("|", "\\|").replace("\n", " ")
                     val escapedLink = item.link.replace("|", "\\|").replace("\n", " ")
-                    val row = "| $escapedName | $escapedLink | ${item.createdAt} | ${item.openedCount} |\n"
+
+                    // Format tags as hashtags
+                    val tags =
+                        if (item.tagsNames.isNullOrEmpty()) {
+                            ""
+                        } else {
+                            item.tagsNames
+                                .split(", ")
+                                .filter { it.isNotEmpty() }
+                                .joinToString(" ") { "#${it.replace(" ", "").replace("|", "")}" }
+                        }
+
+                    val row = "| $escapedName | $escapedLink | ${item.createdAt} | ${item.openedCount} | $tags |\n"
                     writer.write(row)
                 }
 
@@ -134,9 +146,9 @@ class SyncRepositoryImpl(
 
         for (line in lines) {
             val trimmedLine = line.trim()
-            if (trimmedLine.startsWith("| Name | Link | Created At | Opened Count |")) {
+            if (trimmedLine.startsWith("| Name | Link | Created At | Opened Count | Tags |")) {
                 foundHeader = true
-            } else if (foundHeader && trimmedLine.startsWith("|------|------|------------|--------------|")) {
+            } else if (foundHeader && trimmedLine.startsWith("|------|------|------------|--------------|------|")) {
                 foundSeparator = true
                 break
             }

app/src/main/java/com/yogeshpaliyal/deepr/viewmodel/AccountViewModel.kt

@@ -25,6 +25,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.flow.stateIn
@@ -216,6 +217,7 @@ class AccountViewModel(
             deeprQueries.lastInsertRowId().executeAsOneOrNull()?.let {
                 modifyTagsForLink(it, tagsList)
             }
+            syncToMarkdown()
         }
     }
 
@@ -284,6 +286,7 @@ class AccountViewModel(
         viewModelScope.launch(Dispatchers.IO) {
             deeprQueries.updateDeeplink(newLink, newName, id)
             modifyTagsForLink(id, tagsList)
+            syncToMarkdown()
         }
     }
 
@@ -372,6 +375,10 @@ class AccountViewModel(
 
     fun syncToMarkdown() {
         viewModelScope.launch(Dispatchers.IO) {
+            val isEnabled = preferenceDataStore.getSyncEnabled.first()
+            if (!isEnabled) {
+                return@launch
+            }
             val result = syncRepository.syncToMarkdown()
             when (result) {
                 is RequestResult.Success -> {

app/src/main/sqldelight/com/yogeshpaliyal/deepr/Deepr.sq

@@ -69,6 +69,23 @@ ORDER BY
 listDeeprAsc:
 SELECT * FROM Deepr ORDER BY createdAt ASC;
 
+listDeeprWithTagsAsc:
+SELECT
+  Deepr.id AS id,
+  Deepr.link,
+  Deepr.name,
+  Deepr.createdAt,
+  Deepr.openedCount,
+  GROUP_CONCAT(Tags.name, ', ') AS tagsNames
+FROM
+  Deepr
+  LEFT JOIN LinkTags ON Deepr.id = LinkTags.linkId
+  LEFT JOIN Tags ON LinkTags.tagId = Tags.id
+GROUP BY
+  Deepr.id
+ORDER BY
+  Deepr.createdAt ASC;
+
 deleteDeeprById:
 DELETE FROM Deepr WHERE id = ?;