update to add new exercise UI and database testing

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- Alphabetical quick scroll in exercise library
+  - Dynamic letter highlighting for available sections
+  - Smooth scrolling to selected sections
+  - Sticky section headers for better navigation
 - Basic exercise template creation functionality
   - Input validation for required fields
   - Schema-compliant field constraints
@@ -18,6 +22,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Added proper error types and propagation
 
 ### Changed
+- Improved exercise library interface
+  - Removed "Recent Exercises" section for cleaner UI
+  - Added alphabetical section organization
+  - Enhanced keyboard handling for input fields
+  - Increased description text area size
 - Updated NewExerciseScreen with constrained inputs
   - Added dropdowns for equipment selection
   - Added movement pattern selection
@@ -28,6 +37,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Enhanced transaction rollback handling
   - Added detailed debug logging
 
+### Fixed
+- Exercise deletion functionality
+- Keyboard overlap issues in exercise creation form
+- SQLite transaction handling for exercise operations
+
 ### Technical Details
 1. Database Schema Enforcement:
    - Added CHECK constraints for equipment types

app/(tabs)/library/exercises.tsx

@@ -1,6 +1,6 @@
 // app/(tabs)/library/exercises.tsx
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
-import { View, ScrollView, SectionList } from 'react-native';
+import { View, SectionList, TouchableOpacity, SectionListData } from 'react-native';
 import { Text } from '@/components/ui/text';
 import { ExerciseCard } from '@/components/exercises/ExerciseCard';
 import { FloatingActionButton } from '@/components/shared/FloatingActionButton';
@@ -10,17 +10,46 @@ import { Exercise, BaseExercise } from '@/types/exercise';
 import { useSQLiteContext } from 'expo-sqlite';
 import { ExerciseService } from '@/lib/db/services/ExerciseService';
 
+interface ExerciseSection {
+  title: string;
+  data: Exercise[];
+}
+
 export default function ExercisesScreen() {
   const db = useSQLiteContext();
   const exerciseService = React.useMemo(() => new ExerciseService(db), [db]);
+  const sectionListRef = useRef<SectionList>(null);
   
   const [exercises, setExercises] = useState<Exercise[]>([]);
+  const [sections, setSections] = useState<ExerciseSection[]>([]);
   const [showNewExercise, setShowNewExercise] = useState(false);
 
   useEffect(() => {
     loadExercises();
   }, []);
 
+  useEffect(() => {
+    // Organize exercises into sections when exercises array changes
+    const exercisesByLetter = exercises.reduce((acc, exercise) => {
+      const firstLetter = exercise.title[0].toUpperCase();
+      if (!acc[firstLetter]) {
+        acc[firstLetter] = [];
+      }
+      acc[firstLetter].push(exercise);
+      return acc;
+    }, {} as Record<string, Exercise[]>);
+
+    // Create sections array sorted alphabetically
+    const newSections = Object.entries(exercisesByLetter)
+      .map(([letter, exercises]) => ({
+        title: letter,
+        data: exercises.sort((a, b) => a.title.localeCompare(b.title))
+      }))
+      .sort((a, b) => a.title.localeCompare(b.title));
+
+    setSections(newSections);
+  }, [exercises]);
+
   const loadExercises = async () => {
     try {
       const loadedExercises = await exerciseService.getAllExercises();
@@ -57,40 +86,64 @@ export default function ExercisesScreen() {
     console.log('Selected exercise:', exerciseId);
   };
 
+  const scrollToSection = (letter: string) => {
+    const sectionIndex = sections.findIndex(section => section.title === letter);
+    if (sectionIndex !== -1) {
+      sectionListRef.current?.scrollToLocation({
+        sectionIndex,
+        itemIndex: 0,
+        animated: true,
+        viewOffset: 20
+      });
+    }
+  };
+
   const alphabet = '#ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
+  const availableLetters = new Set(sections.map(section => section.title));
 
   return (
     <View className="flex-1 bg-background">
       <View className="absolute right-0 top-0 bottom-0 w-6 z-10 justify-center bg-transparent">
         {alphabet.map((letter) => (
-          <Text 
+          <TouchableOpacity
             key={letter}
-            className="text-xs text-muted-foreground text-center"
+            onPress={() => scrollToSection(letter)}
-            onPress={() => {
+            className="py-0.5"
-              // TODO: Implement scroll to section
+          >
-              console.log('Scroll to:', letter);
+            <Text 
-            }}
+              className={`text-xs text-center ${
+                availableLetters.has(letter)
+                  ? 'text-primary font-medium'
+                  : 'text-muted-foreground'
+              }`}
             >
               {letter}
             </Text>
+          </TouchableOpacity>
         ))}
       </View>
 
-      <ScrollView className="flex-1 mr-6">
+      <SectionList
-        <View className="py-4">
+        ref={sectionListRef}
-          <Text className="text-lg font-semibold mb-4 px-4">All Exercises</Text>
+        sections={sections}
-          <View className="gap-3">
+        keyExtractor={(item) => item.id}
-            {exercises.map(exercise => (
+        renderSectionHeader={({ section }) => (
+          <View className="py-2 px-4 bg-background/80">
+            <Text className="text-lg font-semibold text-foreground">{section.title}</Text>
+          </View>
+        )}
+        renderItem={({ item }) => (
+          <View className="px-4 py-1">
             <ExerciseCard
-                key={exercise.id}
+              {...item}
-                {...exercise}
+              onPress={() => handleExercisePress(item.id)}
-                onPress={() => handleExercisePress(exercise.id)}
+              onDelete={() => handleDelete(item.id)}
-                onDelete={() => handleDelete(exercise.id)}
             />
-            ))}
           </View>
-        </View>
+        )}
-      </ScrollView>
+        stickySectionHeadersEnabled
+        className="flex-1"
+      />
 
       <FloatingActionButton
         icon={Dumbbell}

app/(tabs)/library/programs.tsx

@@ -4,16 +4,22 @@ import { View, ScrollView } from 'react-native';
 import { Text } from '@/components/ui/text';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
-import { AlertCircle, CheckCircle2, Database, RefreshCcw, Trash2 } from 'lucide-react-native';
+import { AlertCircle, CheckCircle2, Database, RefreshCcw, Trash2, Code } from 'lucide-react-native';
 import { useSQLiteContext } from 'expo-sqlite';
 import { ExerciseType, ExerciseCategory, Equipment } from '@/types/exercise';
 import { SQLTransaction, SQLResultSet, SQLError } from '@/lib/db/types';
 import { schema } from '@/lib/db/schema';
+import { Platform } from 'react-native';
 
 interface TableInfo {
   name: string;
 }
 
+interface TableSchema {
+  name: string;
+  sql: string;
+}
+
 interface SchemaVersion {
   version: number;
 }
@@ -41,7 +47,7 @@ export default function ProgramsScreen() {
     initialized: false,
     tables: [],
   });
-
+  const [schemas, setSchemas] = useState<TableSchema[]>([]);
   const [testResults, setTestResults] = useState<{
     success: boolean;
     message: string;
@@ -49,8 +55,20 @@ export default function ProgramsScreen() {
 
   useEffect(() => {
     checkDatabase();
+    inspectDatabase();
   }, []);
 
+  const inspectDatabase = async () => {
+    try {
+      const result = await db.getAllAsync<TableSchema>(
+        "SELECT name, sql FROM sqlite_master WHERE type='table'"
+      );
+      setSchemas(result);
+    } catch (error) {
+      console.error('Error inspecting database:', error);
+    }
+  };
+
   const checkDatabase = async () => {
     try {
       // Check schema_version table
@@ -99,6 +117,7 @@ export default function ProgramsScreen() {
       
       // Refresh database status
       checkDatabase();
+      inspectDatabase();
     } catch (error) {
       console.error('Error resetting database:', error);
       setTestResults({
@@ -186,6 +205,35 @@ export default function ProgramsScreen() {
       <View className="py-4 space-y-4">
         <Text className="text-lg font-semibold text-center mb-4">Database Debug Panel</Text>
         
+        {/* Schema Inspector Card */}
+        <Card>
+          <CardHeader>
+            <CardTitle className="flex-row items-center gap-2">
+              <Code size={20} className="text-foreground" />
+              <Text className="text-lg font-semibold">Database Schema ({Platform.OS})</Text>
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <View className="space-y-4">
+              {schemas.map((table) => (
+                <View key={table.name} className="space-y-2">
+                  <Text className="font-semibold">{table.name}</Text>
+                  <Text className="text-muted-foreground text-sm">
+                    {table.sql}
+                  </Text>
+                </View>
+              ))}
+            </View>
+            <Button 
+              className="mt-4"
+              onPress={inspectDatabase}
+            >
+              <Text className="text-primary-foreground">Refresh Schema</Text>
+            </Button>
+          </CardContent>
+        </Card>
+
+        {/* Status Card */}
         <Card>
           <CardHeader>
             <CardTitle className="flex-row items-center gap-2">
@@ -215,6 +263,7 @@ export default function ProgramsScreen() {
           </CardContent>
         </Card>
 
+        {/* Operations Card */}
         <Card>
           <CardHeader>
             <CardTitle className="flex-row items-center gap-2">

components/DatabaseDebug.tsx

@@ -150,7 +150,7 @@ export default function DatabaseDebug() {
 
   return (
     <View className="p-4 mb-4">
-      <Card>
+      <Card className="mt-4">  {/* Add mt-4 to create spacing */}
         <CardHeader>
           <CardTitle>
             <Text className="text-xl font-semibold">Database Status</Text>

components/library/NewExerciseSheet.tsx

@@ -1,13 +1,14 @@
 // components/library/NewExerciseSheet.tsx
 import React from 'react';
-import { View } from 'react-native';
+import { View, KeyboardAvoidingView, Platform, ScrollView } from 'react-native';
 import { Text } from '@/components/ui/text';
 import { Input } from '@/components/ui/input';
 import { Button } from '@/components/ui/button';
 import { Sheet, SheetContent, SheetHeader, SheetTitle } from '@/components/ui/sheet';
-import { generateId } from '@/utils/ids';
 import { BaseExercise, ExerciseType, ExerciseCategory, Equipment } from '@/types/exercise';
 import { StorageSource } from '@/types/shared';
+import { Textarea } from '@/components/ui/textarea';
+import { generateId } from '@/utils/ids';
 
 interface NewExerciseSheetProps {
   isOpen: boolean;
@@ -93,12 +94,16 @@ export function NewExerciseSheet({ isOpen, onClose, onSubmit }: NewExerciseSheet
         <SheetTitle>New Exercise</SheetTitle>
       </SheetHeader>
       <SheetContent>
-        <View className="gap-4">
+        <KeyboardAvoidingView 
+          behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+          className="flex-1"
+        >
+          <ScrollView className="gap-4">
             <View>
               <Text className="text-base font-medium mb-2">Exercise Name</Text>
               <Input
                 value={formData.title}
-              onChangeText={(text) => setFormData(prev => ({ ...prev, title: text }))}
+                onChangeText={(text: string) => setFormData(prev => ({ ...prev, title: text }))}
                 placeholder="e.g., Barbell Back Squat"
               />
             </View>
@@ -156,12 +161,13 @@ export function NewExerciseSheet({ isOpen, onClose, onSubmit }: NewExerciseSheet
 
             <View>
               <Text className="text-base font-medium mb-2">Description</Text>
-            <Input
+              <Textarea
                 value={formData.description}
-              onChangeText={(text) => setFormData(prev => ({ ...prev, description: text }))}
+                onChangeText={(text: string) => setFormData(prev => ({ ...prev, description: text }))}
                 placeholder="Exercise description..."
-              multiline
+                numberOfLines={6}
-              numberOfLines={4}
+                className="min-h-[120px]"
+                style={{ maxHeight: 200 }}
               />
             </View>
 
@@ -173,7 +179,8 @@ export function NewExerciseSheet({ isOpen, onClose, onSubmit }: NewExerciseSheet
             >
               <Text className="text-white font-semibold">Create Exercise</Text>
             </Button>
-        </View>
+          </ScrollView>
+        </KeyboardAvoidingView>
       </SheetContent>
     </Sheet>
   );

lib/db/schema.ts

@@ -1,22 +1,38 @@
 // lib/db/schema.ts
 import { SQLiteDatabase } from 'expo-sqlite';
+import { Platform } from 'react-native';
 
 export const SCHEMA_VERSION = 2;
 
 class Schema {
   private async getCurrentVersion(db: SQLiteDatabase): Promise<number> {
     try {
+      // First check if the table exists
+      const tableExists = await db.getFirstAsync<{ count: number }>(
+        `SELECT count(*) as count FROM sqlite_master 
+         WHERE type='table' AND name='schema_version'`
+      );
+
+      if (!tableExists || tableExists.count === 0) {
+        console.log('[Schema] No schema_version table found');
+        return 0;
+      }
+
       const version = await db.getFirstAsync<{ version: number }>(
         'SELECT version FROM schema_version ORDER BY version DESC LIMIT 1'
       );
+      
+      console.log(`[Schema] Current version: ${version?.version ?? 0}`);
       return version?.version ?? 0;
     } catch (error) {
+      console.log('[Schema] Error getting version:', error);
       return 0; // If table doesn't exist yet
     }
   }
 
   async createTables(db: SQLiteDatabase): Promise<void> {
     try {
+      console.log(`[Schema] Initializing database on ${Platform.OS}`);
       const currentVersion = await this.getCurrentVersion(db);
       
       // Schema version tracking
@@ -28,6 +44,8 @@ class Schema {
       `);
 
       if (currentVersion === 0) {
+        console.log('[Schema] Performing fresh install');
+        
         // Drop existing tables if they exist
         await db.execAsync(`DROP TABLE IF EXISTS exercise_tags`);
         await db.execAsync(`DROP TABLE IF EXISTS exercises`);
@@ -66,10 +84,14 @@ class Schema {
           'INSERT INTO schema_version (version, updated_at) VALUES (?, ?)',
           [1, Date.now()]
         );
+        
+        console.log('[Schema] Base tables created successfully');
       }
 
       // Update to version 2 if needed
       if (currentVersion < 2) {
+        console.log('[Schema] Upgrading to version 2');
+        
         await db.execAsync(`
           CREATE TABLE IF NOT EXISTS nostr_events (
             id TEXT PRIMARY KEY,
@@ -98,15 +120,22 @@ class Schema {
         try {
           await db.execAsync(`ALTER TABLE exercises ADD COLUMN nostr_event_id TEXT REFERENCES nostr_events(id)`);
         } catch (e) {
-          // Column might already exist
+          console.log('[Schema] Note: nostr_event_id column may already exist');
         }
 
         await db.runAsync(
           'INSERT INTO schema_version (version, updated_at) VALUES (?, ?)',
           [2, Date.now()]
         );
+        
+        console.log('[Schema] Version 2 upgrade completed');
       }
 
+      // Verify final schema
+      const tables = await db.getAllAsync<{ name: string }>(
+        "SELECT name FROM sqlite_master WHERE type='table'"
+      );
+      console.log('[Schema] Final tables:', tables.map(t => t.name).join(', '));
       console.log(`[Schema] Database initialized at version ${await this.getCurrentVersion(db)}`);
     } catch (error) {
       console.error('[Schema] Error creating tables:', error);

package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "@expo/cli": "^0.22.16",
         "@radix-ui/react-alert-dialog": "^1.1.6",
+        "@react-native-clipboard/clipboard": "^1.16.1",
         "@react-navigation/material-top-tabs": "^7.1.0",
         "@react-navigation/native": "^7.0.0",
         "@rn-primitives/accordion": "^1.1.0",
@@ -4258,6 +4259,29 @@
       "integrity": "sha512-A9+lCBZoaMJlVKcRBz2YByCG+Cp2t6nAnMnNba+XiWxnj6r4JUFqfsgwocMBZU9LPtdxC6wB56ySYpc7LQIoJg==",
       "license": "MIT"
     },
+    "node_modules/@react-native-clipboard/clipboard": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/@react-native-clipboard/clipboard/-/clipboard-1.16.1.tgz",
+      "integrity": "sha512-YdSwSS3P4IiJq5nW0iv3qpntDAzBf/xoew2zRPGJ6SJZr/Lhk4aWyR506EWl6BID+iQy7xQmzHXZYR5H4apM6g==",
+      "license": "MIT",
+      "workspaces": [
+        "example"
+      ],
+      "peerDependencies": {
+        "react": ">= 16.9.0",
+        "react-native": ">= 0.61.5",
+        "react-native-macos": ">= 0.61.0",
+        "react-native-windows": ">= 0.61.0"
+      },
+      "peerDependenciesMeta": {
+        "react-native-macos": {
+          "optional": true
+        },
+        "react-native-windows": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@react-native/assets-registry": {
       "version": "0.76.7",
       "resolved": "https://registry.npmjs.org/@react-native/assets-registry/-/assets-registry-0.76.7.tgz",

package.json

@@ -25,6 +25,7 @@
   "dependencies": {
     "@expo/cli": "^0.22.16",
     "@radix-ui/react-alert-dialog": "^1.1.6",
+    "@react-native-clipboard/clipboard": "^1.16.1",
     "@react-navigation/material-top-tabs": "^7.1.0",
     "@react-navigation/native": "^7.0.0",
     "@rn-primitives/accordion": "^1.1.0",
@@ -57,6 +58,7 @@
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.0",
     "expo": "^52.0.35",
+    "expo-file-system": "~18.0.10",
     "expo-linking": "~7.0.4",
     "expo-navigation-bar": "~4.0.8",
     "expo-router": "~4.0.16",
@@ -82,8 +84,7 @@
     "tailwind-merge": "^2.2.1",
     "tailwindcss": "3.3.5",
     "tailwindcss-animate": "^1.0.7",
-    "zustand": "^4.4.7",
+    "zustand": "^4.4.7"
-    "expo-file-system": "~18.0.10"
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",