Make the author field nullable

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/model/ParecelableItem.kt

@@ -46,7 +46,7 @@ data class ParecelableItem(
     val link: String,
     val sourcetitle: String,
     val tags: String,
-    val author: String
+    val author: String?
 ) : Parcelable {
 
     companion object {

shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt

@@ -73,7 +73,7 @@ class SelfossModel {
         val sourcetitle: String,
         @Serializable(with = TagsListSerializer::class)
         val tags: List<String>,
-        val author: String
+        val author: String?
     ) {
         // TODO: maybe find a better way to handle these kind of urls
         fun getLinkDecoded(): String {
@@ -104,7 +104,7 @@ class SelfossModel {
 
         fun sourceAuthorAndDate(): String {
             var txt = this.sourcetitle.getHtmlDecoded()
-            if (this.author.isNotEmpty()) {
+            if (!this.author.isNullOrBlank()) {
                 txt += " (by ${this.author}) "
             }
             txt += DateUtils.parseRelativeDate(this.datetime)

shared/src/commonMain/sqldelight/bou/amine/apps/readerforselfossv2/dao/1.sqm

@@ -1 +1 @@
-ALTER TABLE ITEM ADD COLUMN `author` TEXT NOT NULL;
+ALTER TABLE ITEM ADD COLUMN `author` TEXT;

shared/src/commonMain/sqldelight/bou/amine/apps/readerforselfossv2/dao/Items.sq

@@ -10,7 +10,7 @@ CREATE TABLE ITEM (
     `link` TEXT NOT NULL,
     `sourcetitle` TEXT NOT NULL,
     `tags` TEXT NOT NULL,
-    `author` TEXT NOT NULL,
+    `author` TEXT,
     PRIMARY KEY(`id`)
 );