#3847 Convert Media and Contribution to Kotlin Data Classes - convert to data classes - compose a contribution with a media (#3848)

Co-authored-by: Vivek Maskara <maskaravivek@gmail.com>

app/src/main/java/fr/free/nrw/commons/Media.kt

@@ -0,0 +1,124 @@
+package fr.free.nrw.commons
+
+import android.os.Parcelable
+import fr.free.nrw.commons.location.LatLng
+import kotlinx.android.parcel.Parcelize
+import org.wikipedia.page.PageTitle
+import java.util.*
+
+@Parcelize
+class Media constructor(
+    /**
+     * @return pageId for the current media object
+     * Wikibase Identifier associated with media files
+     */
+    val pageId: String = UUID.randomUUID().toString(),
+    val thumbUrl: String? = null,
+
+    /**
+     * Gets image URL
+     * @return Image URL
+     */
+    val imageUrl: String? = null,
+    /**
+     * Gets the name of the file.
+     * @return file name as a string
+     */
+    val filename: String? = null,
+    /**
+     * Gets the file description.
+     * @return file description as a string
+     */
+    // monolingual description on input...
+    /**
+     * Sets the file description.
+     * @param fallbackDescription the new description of the file
+     */
+    var fallbackDescription: String? = null,
+
+    /**
+     * Gets the upload date of the file.
+     * Can be null.
+     * @return upload date as a Date
+     */
+    val dateUploaded: Date? = null,
+    /**
+     * Gets the license name of the file.
+     * @return license as a String
+     */
+    /**
+     * Sets the license name of the file.
+     *
+     * @param license license name as a String
+     */
+    var license: String? = null,
+    val licenseUrl: String? = null,
+    /**
+     * Gets the name of the creator of the file.
+     * @return creator name as a String
+     */
+    /**
+     * Sets the creator name of the file.
+     * @param creator creator name as a string
+     */
+    var creator: String? = null,
+
+    /**
+     * Gets the categories the file falls under.
+     * @return file categories as an ArrayList of Strings
+     */
+    val categories: List<String>? = null,
+    /**
+     * Gets the coordinates of where the file was created.
+     * @return file coordinates as a LatLng
+     */
+    val coordinates: LatLng? = null,
+    val captions: Map<String, String> = emptyMap(),
+    val descriptions: Map<String, String> = emptyMap(),
+    val depictionIds: List<String> = emptyList()
+) : Parcelable {
+
+    constructor(
+        captions: Map<String, String>,
+        categories: List<String>?,
+        filename: String?,
+        fallbackDescription: String?,
+        creator: String?
+    ) : this(
+        filename = filename,
+        fallbackDescription = fallbackDescription,
+        dateUploaded = Date(),
+        creator = creator,
+        categories = categories,
+        captions = captions
+    )
+
+    /**
+     * Gets media display title
+     * @return Media title
+     */
+    val displayTitle: String
+        get() =
+            if (filename != null)
+                pageTitle.displayTextWithoutNamespace.replaceFirst("[.][^.]+$".toRegex(), "")
+            else
+                ""
+
+    /**
+     * Gets file page title
+     * @return New media page title
+     */
+    val pageTitle: PageTitle get() = Utils.getPageTitle(filename!!)
+
+    /**
+     * Returns wikicode to use the media file on a MediaWiki site
+     * @return
+     */
+    val wikiCode: String
+        get() = String.format("[[%s|thumb|%s]]", filename, mostRelevantCaption)
+
+    val mostRelevantCaption: String
+        get() = captions[Locale.getDefault().language]
+            ?: captions.values.firstOrNull()
+            ?: displayTitle
+}