landingsside

Author: tanettrimas

core/src/main/kotlin/no/javazone/feedback/pages/FeedbackPage.kt

@@ -3,6 +3,52 @@ package no.javazone.feedback.pages
 import kotlinx.html.*
 import no.javazone.feedback.domain.FeedbackChannel
 
+fun HTML.landingPage(channels: List<FeedbackChannel>) {
+    head {
+        meta { charset = "utf-8" }
+        meta {
+            name = "viewport"
+            content = "width=device-width, initial-scale=1"
+        }
+        title { +"Feedback Channels" }
+        link {
+            rel = "stylesheet"
+            href = "/static/css/feedback.css"
+        }
+    }
+    body {
+        main("landing") {
+            div("landing-header") {
+                h1 { +"Feedback Channels" }
+                p { +"Scan a QR code or tap a card to leave feedback for a session." }
+            }
+            if (channels.isEmpty()) {
+                div("card empty-state") {
+                    p { +"No feedback channels have been created yet." }
+                }
+            } else {
+                div("channel-grid") {
+                    channels.forEach { channel ->
+                        a(href = "/session/${channel.externalId}", classes = "channel-card card") {
+                            img(alt = "QR code for ${channel.title}") {
+                                src = "/v1/feedback/channel/${channel.externalId}/qrcode"
+                                width = "200"
+                                height = "200"
+                            }
+                            div("channel-info") {
+                                h2 { +channel.title }
+                                p("speakers") {
+                                    +channel.speakers.joinToString(", ")
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
 fun HTML.feedbackPage(channel: FeedbackChannel) {
     head {
         meta { charset = "utf-8" }

core/src/main/kotlin/no/javazone/feedback/setupRouting.kt

@@ -18,6 +18,7 @@ import no.javazone.feedback.domain.adapters.FeedbackAdapter
 import no.javazone.feedback.domain.errors.ChannelNotFoundError
 import no.javazone.feedback.domain.generators.ExternalIdGeneratorDefault
 import no.javazone.feedback.pages.feedbackPage
+import no.javazone.feedback.pages.landingPage
 import no.javazone.feedback.pages.thankYouFragment
 import no.javazone.feedback.qrcode.QRCodeGenerator
 import no.javazone.feedback.request.channel.FeedbackChannelCreationDTO
@@ -38,6 +39,11 @@ fun Application.setupRouting() {
         staticResources("/static", "static")
         staticResources("/", "static")
 
+        get("/") {
+            val channels = feedbackAdapter.findAllChannels()
+            call.respondHtml { landingPage(channels) }
+        }
+
         get("/health") {
             if (isDatabaseHealthy()) {
                 call.respond(HttpStatusCode.OK, mapOf("status" to "ok"))

core/src/main/resources/static/css/feedback.css

@@ -184,3 +184,71 @@ button[type="submit"]:disabled {
 .thank-you p {
     color: #666;
 }
+
+/* Landing page */
+
+.landing {
+    max-width: 960px;
+}
+
+.landing-header {
+    margin-bottom: 2rem;
+}
+
+.landing-header h1 {
+    font-size: 2rem;
+    margin-bottom: 0.25rem;
+}
+
+.landing-header p {
+    color: #666;
+    font-size: 1rem;
+}
+
+.channel-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    gap: 1.5rem;
+}
+
+.channel-card {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    text-decoration: none;
+    color: inherit;
+    padding: 1.5rem;
+    transition: box-shadow 0.2s, transform 0.2s;
+}
+
+.channel-card:hover {
+    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+    transform: translateY(-2px);
+}
+
+.channel-card img {
+    border-radius: 8px;
+    margin-bottom: 1rem;
+}
+
+.channel-info {
+    text-align: center;
+    width: 100%;
+}
+
+.channel-info h2 {
+    font-size: 1.1rem;
+    font-weight: 600;
+    margin-bottom: 0.25rem;
+}
+
+.channel-info .speakers {
+    margin-bottom: 0;
+    font-size: 0.9rem;
+}
+
+.empty-state {
+    text-align: center;
+    padding: 3rem 2rem;
+    color: #666;
+}

database/src/main/kotlin/no/javazone/feedback/database/repository/FeedbackRepositoryDb.kt

@@ -84,6 +84,25 @@ object FeedbackRepositoryDb : FeedbackRepository {
         }
     }
 
+    override fun findAllChannels(): List<FeedbackChannel> {
+        return transaction {
+            val results = FeedbackChannels.selectAll()
+
+            results
+                .groupBy { it[FeedbackChannels.id].value }
+                .map { (_, rows) ->
+                    val firstRow = rows.first()
+                    FeedbackChannel(
+                        id = firstRow[FeedbackChannels.id].value,
+                        title = firstRow[FeedbackChannels.title],
+                        speakers = firstRow[FeedbackChannels.speakers],
+                        externalId = firstRow[FeedbackChannels.externalId],
+                        ratingCategories = emptyList()
+                    )
+                }
+        }
+    }
+
     override fun findByChannelId(channelId: String): FeedbackChannel? {
         return transaction {
             val results = FeedbackChannels.join(otherTable = RatingTypes, joinType = JoinType.INNER) {

domain/src/main/kotlin/no/javazone/feedback/domain/FeedbackChannel.kt

@@ -10,6 +10,5 @@ class FeedbackChannel(
     init {
         require(speakers.all { it.isNotEmpty() }) { "All speakers must not be empty." }
         require(title.isNotEmpty()) { "Title must not be empty." }
-        require(ratingCategories.isNotEmpty()) { "Ratings must not be empty." }
     }
 }

domain/src/main/kotlin/no/javazone/feedback/domain/adapters/FeedbackAdapter.kt

@@ -36,6 +36,10 @@ class FeedbackAdapter(
         return repository.findByChannelId(channelId)
     }
 
+    fun findAllChannels(): List<FeedbackChannel> {
+        return repository.findAllChannels()
+    }
+
     fun generateQrCode(channelId: String, qrCodeGenerator: (FeedbackChannel) -> ByteArray): ByteArray? {
         return repository.findByChannelId(channelId)?.let {
             qrCodeGenerator(it)

domain/src/main/kotlin/no/javazone/feedback/domain/persistence/FeedbackRepository.kt

@@ -7,4 +7,5 @@ interface FeedbackRepository {
     fun intializeChannel(channel: FeedbackChannel): FeedbackChannel
     fun submitFeedback(feedback: Feedback, feedbackChannel: FeedbackChannel): Feedback
     fun findByChannelId(channelId: String): FeedbackChannel?
+    fun findAllChannels(): List<FeedbackChannel>
 }