Add OpenGraph data

diff --git a/graphics/icon.svg b/graphics/icon.svg
deleted file mode 100644 (file)
index a2889bf..0000000
--- a/graphics/icon.svg
+++ /dev/null
@@ -1,60 +0,0 @@
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2.30587,3.53972 3.64829,3.53972 0.5571,0 1.14617,-0.515604 1.30902,-1.145807 0.38198,-1.478085 1.30528,-0.910487 1.30528,0.802442 0,1.569048 -1.40277,2.927453 -3.55828,3.445677 -1.74644,0.419915 -1.96374,1.678682 -0.81068,4.69605 1.93246,5.057021 4.08626,6.222277 12.22296,6.613063 6.28322,0.301776 6.55317,0.368728 7.90718,1.961655 1.03476,1.217374 1.30968,2.042889 1.0499,3.152511 -0.42909,1.832637 -2.07419,4.214076 -3.16537,4.582132 -0.44157,0.148956 -0.10571,-0.567548 0.7463,-1.592234 1.72169,-2.070597 1.81823,-2.493887 0.9452,-4.144638 -0.9686,-1.83146 -3.01869,-2.317454 -5.71501,-1.35475 -3.56171,1.271648 -6.11547,1.032575 -9.57336,-0.896199 -1.69536,-0.945644 -3.18738,-1.613187 -3.3156,-1.48344 -0.45242,0.45783 1.55458,3.712835 2.99746,4.861401 0.80379,0.639814 2.26268,1.341379 3.24199,1.559065 4.92281,1.094151 7.01366,4.031441 5.36307,7.53415 -1.08008,2.292015 -2.03315,2.568051 -1.63762,0.474254 0.37439,-1.981887 -1.77201,-4.291543 -3.98817,-4.291543 -2.05897,0 -3.62032,-0.799235 -5.9836,-3.062849 -1.60491,-1.537246 -1.84762,-1.623576 -1.83012,-0.651029 0.0112,0.616691 0.3863,1.769395 0.83381,2.561574 1.55522,2.753113 1.08347,4.772215 -1.86551,7.984379 -1.49572,1.629209 -2.84075,2.935803 -2.98897,2.903573 -0.14821,-0.0323 -1.32578,-1.263714 -2.61682,-2.736625 z"
-     fill="url(#linearGradient1830)"
-     style="fill-opacity:1;stroke:#fd7;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers stroke fill"
-     id="path189" />
-</svg>

diff --git a/src/main/kotlin/info/mechyrdia/lore/parser_tags.kt b/src/main/kotlin/info/mechyrdia/lore/parser_tags.kt
index 4b61fb6228936e01e3f7fb9e8af74c671d33b38a..87039f1898656e0f1154331f374331d212dba0b8 100644 (file)
--- a/src/main/kotlin/info/mechyrdia/lore/parser_tags.kt
+++ b/src/main/kotlin/info/mechyrdia/lore/parser_tags.kt
@@ -141,6 +141,17 @@ enum class TextParserFormattingTag(val type: TextParserTagType<Unit>) {
                )
        ),
        
+       // Metadata
+       DESC(
+               TextParserTagType.Direct(
+                       { _, _ -> "" },
+                       { "" },
+               )
+       ),
+       THUMB(
+               TextParserTagType.Indirect { _, _, _ -> "" }
+       ),
+       
        // Resource showing
        IMAGE(
                TextParserTagType.Indirect { tagParam, content, _ ->
@@ -379,3 +390,6 @@ val INSIDE_TAG_TEXT = Regex("\\[.*?]")
 
 fun headerContentToLabel(content: String) = TextParserState.uncensorText(content.replace(INSIDE_TAG_TEXT, ""))
 fun headerContentToAnchor(content: String) = headerContentToLabel(content).replace(NON_ANCHOR_CHAR, "-")
+
+fun imagePathToOpenGraphValue(path: String) = "https://mechyrdia.info/assets/images/${sanitizeLink(path)}"
+fun descriptionContentToPlainText(content: String) = TextParserState.uncensorText(content.replace(INSIDE_TAG_TEXT, ""))

diff --git a/src/main/kotlin/info/mechyrdia/lore/parser_toc.kt b/src/main/kotlin/info/mechyrdia/lore/parser_toc.kt
index c1e837c02d9e11af048e8ff001166702b8e9a453..89180657be11c95d92ae4984c6b82816e54ea191 100644 (file)
--- a/src/main/kotlin/info/mechyrdia/lore/parser_toc.kt
+++ b/src/main/kotlin/info/mechyrdia/lore/parser_toc.kt
@@ -5,7 +5,7 @@ class TableOfContentsBuilder {
        private val levels = mutableListOf<Int>()
        private val links = mutableListOf<NavLink>()
        
-       fun add(text: String, level: Int, toAnchor: String) {
+       fun addHeader(text: String, level: Int, toAnchor: String) {
                if (level == 0) {
                        if (title == null)
                                title = text
@@ -25,8 +25,28 @@ class TableOfContentsBuilder {
                links.plusAssign(NavLink("#$toAnchor", "$number. $text", aClasses = "left"))
        }
        
+       private var description: String? = null
+       private var image: String? = null
+       
+       fun addDescription(plainText: String) {
+               description = description.orEmpty() + plainText
+       }
+       
+       fun addImage(path: String, overWrite: Boolean = false) {
+               if (overWrite || image == null)
+                       image = path
+       }
+       
        fun toPageTitle() = title ?: MISSING_TITLE
        
+       fun toOpenGraph() = title?.let { title ->
+               description?.let { desc ->
+                       image?.let { image ->
+                               OpenGraphData(title, desc, image)
+                       }
+               }
+       }
+       
        fun toNavBar(): List<NavItem> = listOf(NavLink("#page-top", title ?: MISSING_TITLE, aClasses = "left")) + links.toList()
        
        companion object {
@@ -37,39 +57,57 @@ class TableOfContentsBuilder {
 enum class TextParserToCBuilderTag(val type: TextParserTagType<TableOfContentsBuilder>) {
        H1(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 0, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 0, headerContentToAnchor(content))
                        "[h1]$content[/h1]"
                }
        ),
        H2(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 1, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 1, headerContentToAnchor(content))
                        "[h2]$content[/h2]"
                }
        ),
        H3(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 2, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 2, headerContentToAnchor(content))
                        "[h3]$content[/h3]"
                }
        ),
        H4(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 3, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 3, headerContentToAnchor(content))
                        "[h4]$content[/h4]"
                }
        ),
        H5(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 4, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 4, headerContentToAnchor(content))
                        "[h5]$content[/h5]"
                }
        ),
        H6(
                TextParserTagType.Indirect { _, content, builder ->
-                       builder.add(headerContentToLabel(content), 5, headerContentToAnchor(content))
+                       builder.addHeader(headerContentToLabel(content), 5, headerContentToAnchor(content))
                        "[h6]$content[/h6]"
                }
+       ),
+       DESC(
+               TextParserTagType.Indirect { _, content, builder ->
+                       builder.addDescription(descriptionContentToPlainText(content))
+                       content
+               }
+       ),
+       IMAGE(
+               TextParserTagType.Indirect { param, content, builder ->
+                       builder.addImage(imagePathToOpenGraphValue(content))
+                       "[image=$param]$content[/image]"
+               }
+       ),
+       THUMB(
+               TextParserTagType.Indirect { _, content, builder ->
+                       builder.addImage(imagePathToOpenGraphValue(content), true)
+                       ""
+               }
        );
        
        companion object {

diff --git a/src/main/kotlin/info/mechyrdia/lore/view_og.kt b/src/main/kotlin/info/mechyrdia/lore/view_og.kt
new file mode 100644 (file)
index 0000000..e6c745c
--- /dev/null
+++ b/src/main/kotlin/info/mechyrdia/lore/view_og.kt
@@ -0,0 +1,30 @@
+package info.mechyrdia.lore
+
+import io.ktor.server.application.*
+import io.ktor.server.request.*
+import kotlinx.html.HEAD
+import kotlinx.html.meta
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OpenGraphData(
+       val title: String,
+       val desc: String,
+       val image: String
+)
+
+fun HEAD.ogProperty(property: String, content: String) {
+       meta {
+               attributes["property"] = "og:$property"
+               attributes["content"] = content
+       }
+}
+
+context(ApplicationCall)
+fun HEAD.renderOgData(data: OpenGraphData) {
+       ogProperty("title", data.title)
+       ogProperty("type", "website")
+       ogProperty("description", data.desc)
+       ogProperty("image", data.image)
+       ogProperty("url", "https://mechyrdia.info/${request.path().removePrefix("/")}")
+}

diff --git a/src/main/kotlin/info/mechyrdia/lore/view_tpl.kt b/src/main/kotlin/info/mechyrdia/lore/view_tpl.kt
index c1e58095aedeb62eab642fbb15f4f2ebe2b0008a..d42afc898265e9aaac9c97366f5dbb53eeeca2da 100644 (file)
--- a/src/main/kotlin/info/mechyrdia/lore/view_tpl.kt
+++ b/src/main/kotlin/info/mechyrdia/lore/view_tpl.kt
@@ -36,7 +36,7 @@ private val images = listOf(
        "panel.png",
 )
 
-fun ApplicationCall.page(pageTitle: String, navBar: List<NavItem>? = null, sidebar: Sidebar? = null, content: SECTIONS.() -> Unit): HTML.() -> Unit {
+fun ApplicationCall.page(pageTitle: String, navBar: List<NavItem>? = null, sidebar: Sidebar? = null, ogData: OpenGraphData? = null, content: SECTIONS.() -> Unit): HTML.() -> Unit {
        val theme = request.cookies["FACTBOOK_THEME"]
        
        return {
@@ -50,6 +50,10 @@ fun ApplicationCall.page(pageTitle: String, navBar: List<NavItem>? = null, sideb
                        meta(charset = "utf-8")
                        meta(name = "viewport", content = "width=device-width, initial-scale=1.0")
                        
+                       ogData?.let { data ->
+                               renderOgData(data)
+                       }
+                       
                        script(src = "/static/obj-viewer/three.js") {}
                        script(src = "/static/obj-viewer/three-examples.js") {}
                        script(src = "/static/obj-viewer/OrbitControls.js") {}

diff --git a/src/main/kotlin/info/mechyrdia/lore/views_lore.kt b/src/main/kotlin/info/mechyrdia/lore/views_lore.kt
index 5458a426461422cfe8152f658d3286acf41edfcd..f92dcf743a4cb281b9406f05a841773c6b9d6a23 100644 (file)
--- a/src/main/kotlin/info/mechyrdia/lore/views_lore.kt
+++ b/src/main/kotlin/info/mechyrdia/lore/views_lore.kt
@@ -1,6 +1,7 @@
 package info.mechyrdia.lore
 
 import info.mechyrdia.Configuration
+import info.mechyrdia.JsonFileCodec
 import info.mechyrdia.data.*
 import io.ktor.server.application.*
 import io.ktor.util.*
@@ -11,10 +12,13 @@ import kotlinx.html.*
 import java.io.File
 
 suspend fun ApplicationCall.loreIntroPage(): HTML.() -> Unit {
+       val metaJsonFile = File(Configuration.CurrentConfiguration.articleDir).parentFile.combineSafe("introMeta.json")
+       val metaData = JsonFileCodec.decodeFromString(OpenGraphData.serializer(), metaJsonFile.readText())
+       
        val htmlFile = File(Configuration.CurrentConfiguration.articleDir).parentFile.combineSafe("intro.html")
        val fileHtml = htmlFile.readText()
        
-       return page("Welcome to Mechyrdia", standardNavBar(), null) {
+       return page(metaData.title, standardNavBar(), null, metaData) {
                section {
                        a { id = "page-top" }
                        unsafe { raw(fileHtml) }
@@ -75,7 +79,7 @@ suspend fun ApplicationCall.loreArticlePage(): HTML.() -> Unit {
                val navbar = standardNavBar(pagePathParts)
                val sidebar = PageNavSidebar(pageNav)
                
-               return page(pageToC.toPageTitle(), navbar, sidebar) {
+               return page(pageToC.toPageTitle(), navbar, sidebar, pageToC.toOpenGraph()) {
                        section {
                                a { id = "page-top" }
                                unsafe { raw(pageHtml) }

diff --git a/src/main/resources/static/images/icon.png b/src/main/resources/static/images/icon.png
index a51c89ea71c51a864e43dc531ab5be6d8d684788..6e083e74663c4bbf23d9c08168a3b524b99997d4 100644 (file)
Binary files a/src/main/resources/static/images/icon.png and b/src/main/resources/static/images/icon.png differ