Fix student_question_answers table creation, clean manifest duplicate units, and calibrate Socratic timeline seeking
This commit is contained in:
Hamza-Ayed
@@ -97,14 +97,18 @@ class VideoPlaybackCubit extends Cubit<VideoPlaybackState> {
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void updatePosition(int seconds) {
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final currentState = state;
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if (currentState is VideoPlaybackReady && currentState.activeCheckpoint == null) {
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// Check if this second triggers a Socratic checkpoint
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// Check if natural forward playback reaches a Socratic checkpoint
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for (var cp in currentState.playbackData.checkpoints) {
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final crossedCheckpoint = seconds >= cp.timestampSeconds &&
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(_lastObservedPosition < cp.timestampSeconds || _lastObservedPosition > seconds);
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if (!currentState.passedCheckpointIds.contains(cp.id) && crossedCheckpoint) {
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AppLogger.log('🚨 Socratic Checkpoint Triggered! (${cp.questionText})', tag: 'SOCRATIC_ENGINE');
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final hitCheckpoint = !currentState.passedCheckpointIds.contains(cp.id) &&
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_lastObservedPosition < cp.timestampSeconds &&
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seconds >= cp.timestampSeconds &&
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(seconds - _lastObservedPosition).abs() <= 3; // Natural sequential playback
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if (hitCheckpoint) {
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AppLogger.log('🚨 Socratic Checkpoint Triggered at ${cp.timestampSeconds}s! (${cp.questionText})', tag: 'SOCRATIC_ENGINE');
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_lastObservedPosition = cp.timestampSeconds;
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emit(currentState.copyWith(
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currentPositionSeconds: seconds,
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currentPositionSeconds: cp.timestampSeconds,
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isPlaying: false, // Freeze video playback
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activeCheckpoint: cp,
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));
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@@ -127,7 +131,25 @@ class VideoPlaybackCubit extends Cubit<VideoPlaybackState> {
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void seekTo(int seconds) {
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final currentState = state;
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if (currentState is VideoPlaybackReady) {
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emit(currentState.copyWith(currentPositionSeconds: seconds));
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// Find the earliest unpassed checkpoint before or at this target
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SocraticCheckpointModel? blockingCheckpoint;
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for (var cp in currentState.playbackData.checkpoints) {
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if (!currentState.passedCheckpointIds.contains(cp.id) && seconds > cp.timestampSeconds) {
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if (blockingCheckpoint == null || cp.timestampSeconds < blockingCheckpoint.timestampSeconds) {
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blockingCheckpoint = cp;
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}
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}
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}
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// If user tries to skip past an unpassed checkpoint, snap precisely to that checkpoint
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final actualSeek = blockingCheckpoint != null ? blockingCheckpoint.timestampSeconds : seconds;
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_lastObservedPosition = actualSeek;
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emit(currentState.copyWith(
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currentPositionSeconds: actualSeek,
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activeCheckpoint: blockingCheckpoint,
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isPlaying: blockingCheckpoint == null ? currentState.isPlaying : false,
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));
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}
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}
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@@ -155,6 +177,7 @@ class VideoPlaybackCubit extends Cubit<VideoPlaybackState> {
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// Correct Answer -> Reward readiness score (+0.5%) & resume video
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AppLogger.log('✅ Correct answer! Rewarding +0.5% readiness.', tag: 'SOCRATIC_ENGINE');
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final updatedPassed = Set<int>.from(currentState.passedCheckpointIds)..add(cp.id);
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_lastObservedPosition = cp.timestampSeconds;
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emit(currentState.copyWith(
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clearActiveCheckpoint: true,
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isPlaying: true,
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@@ -169,8 +192,9 @@ class VideoPlaybackCubit extends Cubit<VideoPlaybackState> {
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}
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return true;
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} else {
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// Wrong Answer -> Socratic Productive Struggle: Rewind video by N seconds
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final rewindTo = (currentState.currentPositionSeconds - cp.rewindSecondsOnFail).clamp(0, currentState.playbackData.durationSeconds);
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// Wrong Answer -> Socratic Productive Struggle: Rewind video by N seconds from checkpoint
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final rewindTo = (cp.timestampSeconds - cp.rewindSecondsOnFail).clamp(0, currentState.playbackData.durationSeconds);
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_lastObservedPosition = rewindTo;
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AppLogger.log('❌ Incorrect answer. Socratic remediation: Rewinding to ${rewindTo}s.', tag: 'SOCRATIC_ENGINE');
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emit(currentState.copyWith(
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clearActiveCheckpoint: true,
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+57
-46
@@ -435,52 +435,63 @@ class _SocraticVideoPlayerScreenState extends State<SocraticVideoPlayerScreen> w
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Understanding checkpoints on the timeline
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Stack(
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alignment: Alignment.centerLeft,
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children: [
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SliderTheme(
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data: SliderTheme.of(context).copyWith(
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trackHeight: 5,
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thumbShape: const RoundSliderThumbShape(enabledThumbRadius: 7),
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overlayShape: const RoundSliderOverlayShape(overlayRadius: 14),
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activeTrackColor: AppColors.saqelCyan,
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inactiveTrackColor: Colors.white24,
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thumbColor: AppColors.saqelCyan,
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),
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child: Slider(
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value: progress,
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onChanged: (val) {
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final targetSec = (val * duration).toInt();
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context.read<VideoPlaybackCubit>().seekTo(targetSec);
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},
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),
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),
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// Checkpoint markers on the progress track
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...state.playbackData.checkpoints.map((cp) {
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final posFraction = (cp.timestampSeconds / duration).clamp(0.0, 1.0);
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final isPassed = state.passedCheckpointIds.contains(cp.id);
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return Positioned(
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left: (MediaQuery.of(context).size.width * 0.85 * posFraction).clamp(20.0, 700.0),
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child: Container(
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width: 10,
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height: 10,
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decoration: BoxDecoration(
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color: isPassed ? AppColors.emeraldGreen : AppColors.guardianAmber,
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shape: BoxShape.circle,
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border: Border.all(color: Colors.white, width: 1.5),
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boxShadow: [
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BoxShadow(
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color: (isPassed ? AppColors.emeraldGreen : AppColors.guardianAmber).withAlpha(120),
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blurRadius: 6,
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),
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],
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),
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),
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);
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}),
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],
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),
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LayoutBuilder(
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builder: (context, constraints) {
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const double horizontalPadding = 24.0;
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final double trackWidth = (constraints.maxWidth - (horizontalPadding * 2)).clamp(10.0, 4000.0);
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return Stack(
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alignment: Alignment.centerLeft,
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children: [
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SliderTheme(
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data: SliderTheme.of(context).copyWith(
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trackHeight: 5,
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thumbShape: const RoundSliderThumbShape(enabledThumbRadius: 7),
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overlayShape: const RoundSliderOverlayShape(overlayRadius: 14),
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activeTrackColor: AppColors.saqelCyan,
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inactiveTrackColor: Colors.white24,
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thumbColor: AppColors.saqelCyan,
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),
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child: Slider(
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value: progress,
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onChanged: (val) {
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final targetSec = (val * duration).toInt();
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context.read<VideoPlaybackCubit>().seekTo(targetSec);
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},
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),
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),
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// Checkpoint markers on the progress track
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if (duration > 0)
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...state.playbackData.checkpoints.map((cp) {
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final posFraction = (cp.timestampSeconds / duration).clamp(0.0, 1.0);
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final isPassed = state.passedCheckpointIds.contains(cp.id);
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final dotLeft = horizontalPadding + (trackWidth * posFraction) - 5.0;
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return Positioned(
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left: dotLeft,
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child: IgnorePointer(
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child: Container(
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width: 10,
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height: 10,
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decoration: BoxDecoration(
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color: isPassed ? AppColors.emeraldGreen : AppColors.guardianAmber,
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shape: BoxShape.circle,
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border: Border.all(color: Colors.white, width: 1.5),
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boxShadow: [
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BoxShadow(
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color: (isPassed ? AppColors.emeraldGreen : AppColors.guardianAmber).withAlpha(120),
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blurRadius: 6,
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),
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],
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),
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),
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),
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);
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}),
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],
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);
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},
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),
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Row(
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children: [
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IconButton(
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