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Merge pull request #1654 from joreilly/droidcon_italy_2025
Droidcon Italy 2025 import
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‎backend/datastore/src/jvmMain/kotlin/dev/johnoreilly/confetti/backend/datastore/ConferenceId.kt‎

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@@ -45,6 +45,7 @@ enum class ConferenceId(val id: String) {
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DroidconNYC2025("droidconnyc2025"),
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DroidConLondon2025("droidconlondon2025"),
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DevFestVenice2025("devfestvenice2025"),
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DroidconItaly2025("droidconitaly2025"),
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;
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companion object {

‎backend/service-import/build.gradle.kts‎

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@@ -26,7 +26,7 @@ kotlin {
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implementation(libs.kaml)
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implementation(libs.bare.graphQL)
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implementation(libs.kotlinx.serialization)
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implementation(libs.kotlin.csv)
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implementation(projects.backend.datastore)
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}
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}

‎backend/service-import/src/jvmMain/kotlin/dev/johnoreilly/confetti/backend/import/DroidconItaly2025.kt‎

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package dev.johnoreilly.confetti.backend.import
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import com.github.doyaaaaaken.kotlincsv.dsl.csvReader
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import dev.johnoreilly.confetti.backend.datastore.*
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import kotlinx.datetime.LocalDate
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import kotlinx.datetime.LocalDateTime
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import java.nio.file.Files
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import java.nio.file.Path
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import java.nio.file.Paths
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/**
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* CSV-based importer for droidcon Italy 2025 using
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* - droidcon-2025_speakers.csv
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* - droidcon-2025_sessions.csv
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*/
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object DroidconItaly2025 {
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private val csvReader = csvReader()
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private const val SPEAKERS_FILE = "droidcon-2025_speakers.csv"
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private const val SESSIONS_FILE = "droidcon-2025_sessions.csv"
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private val config = DConfig(
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id = ConferenceId.DroidconItaly2025.id,
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name = "droidcon Italy 2025",
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timeZone = "Europe/Rome",
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days = listOf(
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LocalDate(2025, 11, 19),
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LocalDate(2025, 11, 20)
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)
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)
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private val venue = DVenue(
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id = "main",
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name = "UCI Cinema Lingotto",
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address = "Via Nizza 262, 10126 Turin",
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latitude = null,
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longitude = null,
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description = emptyMap(),
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imageUrl = "https://flutterheroes.com/2025/wp-content/uploads/sites/6/venue_pg3.jpg",
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floorPlanUrl = null
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)
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suspend fun import(): Int {
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val sessionsCsvText = javaClass.classLoader.getResourceAsStream(SESSIONS_FILE).use { it.reader().readText() }
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val speakersCsvText = javaClass.classLoader.getResourceAsStream(SPEAKERS_FILE).use { it.reader().readText() }
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val sessionsRows = csvReader.readAll(sessionsCsvText).drop(1)
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val speakersRows = csvReader.readAll(speakersCsvText).drop(1)
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data class Speaker(
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val id: String,
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val name: String,
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val bio: String?,
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val picture: String?,
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val company: String?,
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val jobTitle: String?,
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val xUrl: String?,
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val linkedinUrl: String?,
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val githubUrl: String?,
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)
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val speakers = speakersRows.mapNotNull { row ->
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// Expected columns: ID,Name,Biography,Picture,Proposal titles,Your company,Your job title,X (user URL),LinkedIn (user URL),Github (user URL)
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if (row.isEmpty()) return@mapNotNull null
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val id = row.getOrNull(0)?.trim().orEmpty()
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if (id.isBlank()) return@mapNotNull null
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Speaker(
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id = id,
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name = row.getOrNull(1)?.trim().orEmpty(),
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bio = row.getOrNull(2)?.trim().takeIf { !it.isNullOrBlank() },
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picture = row.getOrNull(3)?.trim().takeIf { !it.isNullOrBlank() },
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company = row.getOrNull(5)?.trim().takeIf { !it.isNullOrBlank() },
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jobTitle = row.getOrNull(6)?.trim().takeIf { !it.isNullOrBlank() },
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xUrl = row.getOrNull(7)?.trim().takeIf { !it.isNullOrBlank() },
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linkedinUrl = row.getOrNull(8)?.trim().takeIf { !it.isNullOrBlank() },
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githubUrl = row.getOrNull(9)?.trim().takeIf { !it.isNullOrBlank() },
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)
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}
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// Map by name for resolving speakers in sessions file
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val speakerByName: Map<String, Speaker> = speakers.associateBy { it.name }
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data class Session(
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val id: String,
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val title: String,
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val tags: List<String>,
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val abstractText: String?,
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val speakerNames: List<String>,
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val level: String?,
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val date: String?,
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val startTime: String?,
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val duration: String?,
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val room: String?,
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)
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val sessions = sessionsRows.mapNotNull { row ->
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// Expected columns: ID,Proposal title,Tags,Abstract,Speaker names,Level,Date,Start Time,Duration,Room
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if (row.isEmpty()) return@mapNotNull null
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val id = row.getOrNull(0)?.trim().orEmpty()
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if (id.isBlank()) return@mapNotNull null
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val title = row.getOrNull(1)?.trim().orEmpty()
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val tags = row.getOrNull(2)?.split(',')?.map { it.trim() }?.filter { it.isNotEmpty() } ?: emptyList()
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val abstractText = row.getOrNull(3)?.trim().takeIf { !it.isNullOrBlank() }
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val speakerNames = row.getOrNull(4)?.split(',')?.map { it.trim() }?.filter { it.isNotEmpty() } ?: emptyList()
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val level = row.getOrNull(5)?.trim().takeIf { !it.isNullOrBlank() }
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val date = row.getOrNull(6)?.trim().takeIf { !it.isNullOrBlank() }
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val startTime = row.getOrNull(7)?.trim().takeIf { !it.isNullOrBlank() }
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val duration = row.getOrNull(8)?.trim().takeIf { !it.isNullOrBlank() }
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val room = row.getOrNull(9)?.trim().takeIf { !it.isNullOrBlank() }
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Session(id, title, tags, abstractText, speakerNames, level, date, startTime, duration, room)
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}
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// Resolve speakers for sessions
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val datastoreSessions = sessions.map { s ->
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val speakerIds = s.speakerNames.mapNotNull { speakerByName[it]?.id }
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// Parse start and end times from CSV data
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val start = if (s.date != null && s.startTime != null) {
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LocalDateTime.parse("${s.date}T${s.startTime}")
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} else {
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defaultStart()
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}
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val end = if (s.date != null && s.startTime != null && s.duration != null) {
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// Duration is in format HH:MM, parse and add to start
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val durationParts = s.duration.split(":")
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val durationHours = durationParts.getOrNull(0)?.toIntOrNull() ?: 0
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val durationMinutes = durationParts.getOrNull(1)?.toIntOrNull() ?: 0
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// Add duration to start time
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var endHour = start.hour + durationHours
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var endMinute = start.minute + durationMinutes
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if (endMinute >= 60) {
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endHour += 1
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endMinute -= 60
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}
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LocalDateTime(start.year, start.monthNumber, start.dayOfMonth, endHour, endMinute)
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} else {
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defaultEnd()
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}
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val rooms = if (s.room != null) listOf(s.room) else listOf("Main")
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DSession(
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id = s.id,
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type = "talk",
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title = s.title,
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description = s.abstractText,
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shortDescription = null,
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language = null,
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start = start,
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end = end,
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complexity = s.level,
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feedbackId = null,
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tags = s.tags,
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rooms = rooms,
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speakers = speakerIds,
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links = emptyList()
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)
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}
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// Build speakers with back-linked sessions
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val speakerSessionsMap: Map<String, List<String>> = datastoreSessions
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.flatMap { session -> session.speakers.map { it to session.id } }
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.groupBy({ it.first }, { it.second })
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val datastoreSpeakers = speakers.map { sp ->
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DSpeaker(
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id = sp.id,
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name = sp.name,
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bio = sp.bio,
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tagline = sp.jobTitle,
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company = sp.company,
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companyLogoUrl = null,
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city = null,
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links = listOfNotNull(
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sp.xUrl?.let { DLink("twitter", it) },
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sp.linkedinUrl?.let { DLink("linkedin", it) },
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sp.githubUrl?.let { DLink("github", it) },
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),
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photoUrl = sp.picture,
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sessions = speakerSessionsMap[sp.id]
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)
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}
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DataStore().write(
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sessions = datastoreSessions,
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rooms = listOf(
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DRoom("Sala 7", "Sala 7"),
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DRoom("Sala 8", "Sala 8")
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),
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speakers = datastoreSpeakers,
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partnerGroups = emptyList(),
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config = config,
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venues = listOf(venue)
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)
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return sessions.size
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}
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private fun defaultStart(): LocalDateTime {
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// Placeholder: Day 1 09:00
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return LocalDateTime.parse("2025-11-19T09:00")
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}
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private fun defaultEnd(): LocalDateTime {
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// Placeholder: Day 1 10:00
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return LocalDateTime.parse("2025-11-19T10:00")
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}
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private fun readFileFlexible(vararg candidates: String): String {
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// Try multiple relative paths to be resilient to working directory
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for (c in candidates) {
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val p: Path = Paths.get(c)
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if (Files.exists(p)) {
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return Files.readString(p)
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}
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}
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// Also try from project root if launched from module dir
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val moduleRoot = Paths.get("backend", "service-import")
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for (c in candidates) {
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val p = moduleRoot.resolve(Paths.get(c).fileName)
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if (Files.exists(p)) {
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return Files.readString(p)
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}
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}
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error("CSV file not found. Tried: ${candidates.joinToString()}")
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}
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}

‎backend/service-import/src/jvmMain/kotlin/dev/johnoreilly/confetti/backend/import/Main.kt‎

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ConferenceId.KotlinConf2025 -> Sessionize.importKotlinConf2025()
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ConferenceId.DroidConLondon2025 -> importDroidconLondon2025()
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ConferenceId.DevFestVenice2025 -> importDevFestVenice2025()
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ConferenceId.DroidconItaly2025 -> DroidconItaly2025.import()
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null -> error("")
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}
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}

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