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Fix URL Preview card when websites blend OG specs

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This commit is contained in:
Vitor Pamplona 2023-11-22 12:15:09 -05:00
parent 81661c003a
commit 3253b8528f
1 changed files with 29 additions and 36 deletions
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65
app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlPreviewUtils.kt
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@ -12,18 +12,9 @@ private const val ATTRIBUTE_VALUE_PROPERTY = "property"
private const val ATTRIBUTE_VALUE_NAME = "name"
private const val ATTRIBUTE_VALUE_ITEMPROP = "itemprop"
/* for <meta property="og:" to get title */
private val META_OG_TITLE = arrayOf("og:title", "\"og:title\"", "'og:title'")
/* for <meta property="og:" to get description */
private val META_OG_DESCRIPTION =
arrayOf("og:description", "\"og:description\"", "'og:description'")
/* for <meta property="og:" to get image */
private val META_OG_IMAGE = arrayOf("og:image", "\"og:image\"", "'og:image'")
/*for <meta name=... to get title */
private val META_NAME_TITLE = arrayOf(
/*for <meta itemprop=... to get title */
private val META_X_TITLE = arrayOf(
"og:title", "\"og:title\"", "'og:title'", "name", "\"name\"", "'name'",
"twitter:title",
"\"twitter:title\"",
"'twitter:title'",
@ -32,8 +23,10 @@ private val META_NAME_TITLE = arrayOf(
"'title'"
)
/*for <meta name=... to get description */
private val META_NAME_DESCRIPTION = arrayOf(
/*for <meta itemprop=... to get description */
private val META_X_DESCRIPTION = arrayOf(
"og:description", "\"og:description\"", "'og:description'",
"description", "\"description\"", "'description'",
"twitter:description",
"\"twitter:description\"",
"'twitter:description'",
@ -42,22 +35,15 @@ private val META_NAME_DESCRIPTION = arrayOf(
"'description'"
)
/*for <meta name=... to get image */
private val META_NAME_IMAGE = arrayOf(
/*for <meta itemprop=... to get image */
private val META_X_IMAGE = arrayOf(
"og:image", "\"og:image\"", "'og:image'",
"image", "\"image\"", "'image'",
"twitter:image",
"\"twitter:image\"",
"'twitter:image'"
)
/*for <meta itemprop=... to get title */
private val META_ITEMPROP_TITLE = arrayOf("name", "\"name\"", "'name'")
/*for <meta itemprop=... to get description */
private val META_ITEMPROP_DESCRIPTION = arrayOf("description", "\"description\"", "'description'")
/*for <meta itemprop=... to get image */
private val META_ITEMPROP_IMAGE = arrayOf("image", "\"image\"", "'image'")
private const val CONTENT = "content"
suspend fun getDocument(url: String, timeOut: Int = 30000): Document =
@ -83,31 +69,38 @@ suspend fun parseHtml(url: String, document: Document): UrlInfoItem =
var image: String = ""
metaTags.forEach {
val propertyTag = it.attr(ATTRIBUTE_VALUE_PROPERTY)
when (propertyTag) {
in META_OG_TITLE -> if (title.isEmpty()) title = it.attr(CONTENT)
in META_OG_DESCRIPTION -> if (description.isEmpty()) {
when (it.attr(ATTRIBUTE_VALUE_PROPERTY)) {
in META_X_TITLE -> if (title.isEmpty()) {
title = it.attr(CONTENT)
}
in META_X_DESCRIPTION -> if (description.isEmpty()) {
description = it.attr(CONTENT)
}
in META_OG_IMAGE -> if (image.isEmpty()) image = it.attr(CONTENT)
in META_X_IMAGE -> if (image.isEmpty()) {
image = it.attr(CONTENT)
}
}
when (it.attr(ATTRIBUTE_VALUE_NAME)) {
in META_NAME_TITLE -> if (title.isEmpty()) title = it.attr(CONTENT)
in META_NAME_DESCRIPTION -> if (description.isEmpty()) {
in META_X_TITLE -> if (title.isEmpty()) {
title = it.attr(CONTENT)
}
in META_X_DESCRIPTION -> if (description.isEmpty()) {
description = it.attr(CONTENT)
}
in META_OG_IMAGE -> if (image.isEmpty()) image = it.attr(CONTENT)
in META_X_IMAGE -> if (image.isEmpty()) {
image = it.attr(CONTENT)
}
}
when (it.attr(ATTRIBUTE_VALUE_ITEMPROP)) {
in META_ITEMPROP_TITLE -> if (title.isEmpty()) {
in META_X_TITLE -> if (title.isEmpty()) {
title = it.attr(CONTENT)
}
in META_ITEMPROP_DESCRIPTION -> if (description.isEmpty()) {
in META_X_DESCRIPTION -> if (description.isEmpty()) {
description = it.attr(CONTENT)
}
in META_ITEMPROP_IMAGE -> if (image.isEmpty()) {
in META_X_IMAGE -> if (image.isEmpty()) {
image = it.attr(CONTENT)
}
}