Merge pull request 'feat: Reorder Log Fuel fields by usage and add decimal keypad (#246)' (#247) from issue-246-reorder-log-fuel-fields into main

Reviewed-on: #247

backend/src/features/fuel-logs/data/fuel-logs.repository.ts

@@ -247,6 +247,20 @@ export class FuelLogsRepository {
     };
   }
 
+  // Coerces DECIMAL columns from node-postgres strings to numbers while
+  // preserving snake_case row keys used by the enhanced API service callers.
+  private mapEnhancedRow(row: any): any {
+    if (!row) return null;
+    return {
+      ...row,
+      fuel_units: row.fuel_units != null ? parseFloat(row.fuel_units) : row.fuel_units,
+      cost_per_unit: row.cost_per_unit != null ? parseFloat(row.cost_per_unit) : row.cost_per_unit,
+      total_cost: row.total_cost != null ? parseFloat(row.total_cost) : row.total_cost,
+      gallons: row.gallons != null ? parseFloat(row.gallons) : row.gallons,
+      price_per_gallon: row.price_per_gallon != null ? parseFloat(row.price_per_gallon) : row.price_per_gallon,
+    };
+  }
+
   // Enhanced API support (new schema)
   async createEnhanced(data: {
     userId: string;
@@ -293,7 +307,7 @@ export class FuelLogsRepository {
       data.notes ?? null
     ];
     const res = await this.pool.query(query, values);
-    return res.rows[0] ?? null;
+    return this.mapEnhancedRow(res.rows[0] ?? null);
   }
 
   async findByVehicleIdEnhanced(vehicleId: string): Promise<any[]> {
@@ -301,7 +315,7 @@ export class FuelLogsRepository {
       `SELECT * FROM fuel_logs WHERE vehicle_id = $1 ORDER BY date_time DESC NULLS LAST, date DESC NULLS LAST, created_at DESC`,
       [vehicleId]
     );
-    return res.rows;
+    return res.rows.map(r => this.mapEnhancedRow(r));
   }
 
   async findByUserIdEnhanced(userId: string): Promise<any[]> {
@@ -309,12 +323,12 @@ export class FuelLogsRepository {
       `SELECT * FROM fuel_logs WHERE user_id = $1 ORDER BY date_time DESC NULLS LAST, date DESC NULLS LAST, created_at DESC`,
       [userId]
     );
-    return res.rows;
+    return res.rows.map(r => this.mapEnhancedRow(r));
   }
 
   async findByIdEnhanced(id: string): Promise<any | null> {
     const res = await this.pool.query(`SELECT * FROM fuel_logs WHERE id = $1`, [id]);
-    return res.rows[0] ?? null;
+    return this.mapEnhancedRow(res.rows[0] ?? null);
   }
 
   async getPreviousLogByOdometer(vehicleId: string, odometerReading: number): Promise<any | null> {
@@ -322,7 +336,7 @@ export class FuelLogsRepository {
       `SELECT * FROM fuel_logs WHERE vehicle_id = $1 AND odometer IS NOT NULL AND odometer < $2 ORDER BY odometer DESC LIMIT 1`,
       [vehicleId, odometerReading]
     );
-    return res.rows[0] ?? null;
+    return this.mapEnhancedRow(res.rows[0] ?? null);
   }
 
   async getLatestLogForVehicle(vehicleId: string): Promise<any | null> {
@@ -330,7 +344,7 @@ export class FuelLogsRepository {
       `SELECT * FROM fuel_logs WHERE vehicle_id = $1 ORDER BY date_time DESC NULLS LAST, date DESC NULLS LAST, created_at DESC LIMIT 1`,
       [vehicleId]
     );
-    return res.rows[0] ?? null;
+    return this.mapEnhancedRow(res.rows[0] ?? null);
   }
 
   async updateEnhanced(id: string, data: {
@@ -416,6 +430,6 @@ export class FuelLogsRepository {
       return null;
     }
 
-    return result.rows[0];
+    return this.mapEnhancedRow(result.rows[0]);
   }
 }

backend/src/features/fuel-logs/domain/fuel-logs.service.ts

@@ -234,8 +234,8 @@ export class FuelLogsService {
       return { logCount: 0, totalFuelUnits: 0, totalCost: 0, averageCostPerUnit: 0, totalDistance: 0, averageEfficiency: 0, unitLabels: labels };
     }
 
-    const totalFuelUnits = rows.reduce((s, r) => s + (Number(r.fuel_units) || 0), 0);
-    const totalCost = rows.reduce((s, r) => s + (Number(r.total_cost) || 0), 0);
+    const totalFuelUnits = rows.reduce((s, r) => s + (r.fuel_units || 0), 0);
+    const totalCost = rows.reduce((s, r) => s + (r.total_cost || 0), 0);
     const averageCostPerUnit = totalFuelUnits > 0 ? totalCost / totalFuelUnits : 0;
 
     const sorted = [...rows].sort((a, b) => (new Date(b.date_time || b.date)).getTime() - (new Date(a.date_time || a.date)).getTime());
@@ -282,9 +282,9 @@ export class FuelLogsService {
       tripDistance: row.trip_distance ?? undefined,
       fuelType: row.fuel_type as FuelType,
       fuelGrade: row.fuel_grade ?? undefined,
-      fuelUnits: Number(row.fuel_units),
-      costPerUnit: Number(row.cost_per_unit),
-      totalCost: Number(row.total_cost),
+      fuelUnits: row.fuel_units ?? 0,
+      costPerUnit: row.cost_per_unit ?? 0,
+      totalCost: row.total_cost ?? 0,
       locationData: row.location_data ?? undefined,
       notes: row.notes ?? undefined,
       efficiency: efficiency,

backend/src/features/maintenance/data/maintenance.repository.ts

@@ -18,7 +18,8 @@ export class MaintenanceRepository {
       subtypes: row.subtypes,
       date: row.date,
       odometerReading: row.odometer_reading,
-      cost: row.cost,
+      // node-postgres returns numeric/decimal columns as strings; coerce to honor the number type.
+      cost: row.cost != null ? Number(row.cost) : undefined,
       shopName: row.shop_name,
       notes: row.notes,
       receiptDocumentId: row.receipt_document_id,

backend/src/features/ownership-costs/data/ownership-costs.repository.ts

@@ -16,7 +16,8 @@ export class OwnershipCostsRepository {
       vehicleId: row.vehicle_id,
       documentId: row.document_id,
       costType: row.cost_type,
-      amount: row.amount,
+      // node-postgres returns numeric/decimal columns as strings; coerce to honor the number type.
+      amount: Number(row.amount),
       description: row.description,
       periodStart: row.period_start,
       periodEnd: row.period_end,

frontend/src/features/fuel-logs/components/DistanceInput.tsx

@@ -24,7 +24,7 @@ export const DistanceInput: React.FC<Props> = ({ type, value, onChange, unitSyst
         fullWidth
         error={!!error}
         disabled={disabled}
-        inputProps={{ step: type === 'trip' ? 0.1 : 1, min: 0 }}
+        inputProps={{ step: type === 'trip' ? 0.1 : 1, min: 0, inputMode: 'decimal' }}
         InputProps={{ endAdornment: <InputAdornment position="end">{units}</InputAdornment> }}
       />
       {error && <FormHelperText error>{error}</FormHelperText>}

frontend/src/features/fuel-logs/components/FuelLogForm.tsx

@@ -247,60 +247,7 @@ const FuelLogFormComponent: React.FC<{ onSuccess?: () => void; initial?: Partial
               )} />
             </Grid>
 
-            {/* Row 2: Date/Time | MPG/L/100km */}
-            <Grid item xs={12} sm={6}>
-              <Controller name="dateTime" control={control} render={({ field }) => (
-                <DateTimePicker
-                  label="Date & Time"
-                  value={field.value ? dayjs(field.value) : null}
-                  onChange={(newValue) => field.onChange(newValue?.toISOString() || '')}
-                  format="MM/DD/YYYY hh:mm a"
-                  slotProps={{
-                    textField: {
-                      fullWidth: true,
-                      error: !!errors.dateTime,
-                      helperText: errors.dateTime?.message,
-                      sx: {
-                        '& .MuiOutlinedInput-root': {
-                          minHeight: '56px',
-                        }
-                      }
-                    }
-                  }}
-                />
-              )} />
-            </Grid>
-            <Grid item xs={12} sm={6}>
-              <TextField
-                label={`${userSettings?.unitSystem === 'metric' ? 'L/100km' : 'MPG'}`}
-                value={calculatedEfficiency > 0 ? calculatedEfficiency.toFixed(3) : ''}
-                fullWidth
-                InputProps={{
-                  readOnly: true,
-                  sx: (theme) => ({
-                    backgroundColor: 'grey.50',
-                    ...theme.applyStyles('dark', {
-                      backgroundColor: '#4C4E4D',
-                    }),
-                    '& .MuiOutlinedInput-input': {
-                      cursor: 'default',
-                      color: 'inherit',
-                      ...theme.applyStyles('dark', {
-                        color: '#F2F3F6',
-                      }),
-                    },
-                  }),
-                }}
-                helperText="Calculated from distance ÷ fuel amount"
-                sx={{
-                  '& .MuiOutlinedInput-root': {
-                    minHeight: '56px',
-                  }
-                }}
-              />
-            </Grid>
-
-            {/* Row 3: Odometer | Distance Input Method */}
+            {/* Row 2: Mileage (Trip Distance / Odometer) | Input Method Toggle */}
             <Grid item xs={12} sm={6}>
               <Controller name={useOdometer ? 'odometerReading' : 'tripDistance'} control={control} render={({ field }) => (
                 <DistanceInput type={useOdometer ? 'odometer' : 'trip'} value={field.value as any} onChange={field.onChange as any} unitSystem={userSettings?.unitSystem} error={useOdometer ? (errors.odometerReading?.message as any) : (errors.tripDistance?.message as any)} />
@@ -342,11 +289,21 @@ const FuelLogFormComponent: React.FC<{ onSuccess?: () => void; initial?: Partial
                 </ToggleButton>
               </ToggleButtonGroup>
             </Grid>
-            <Grid item xs={12}>
-              <Controller name="fuelType" control={control} render={({ field: fuelTypeField }) => (
-                <Controller name="fuelGrade" control={control} render={({ field: fuelGradeField }) => (
-                  <FuelTypeSelector fuelType={fuelTypeField.value} fuelGrade={fuelGradeField.value as any} onFuelTypeChange={fuelTypeField.onChange} onFuelGradeChange={fuelGradeField.onChange as any} error={(errors.fuelType?.message as any) || (errors.fuelGrade?.message as any)} />
-                )} />
+
+            {/* Row 3: Cost Per Gallon | Fuel Amount */}
+            <Grid item xs={12} sm={6}>
+              <Controller name="costPerUnit" control={control} render={({ field }) => (
+                <TextField
+                  {...field}
+                  value={field.value ?? ''}
+                  onChange={(e) => field.onChange(e.target.value)}
+                  label={`Cost Per ${userSettings?.unitSystem === 'imperial' ? 'Gallon' : 'Liter'}`}
+                  type="number"
+                  inputProps={{ step: 0.001, min: 0.001, inputMode: 'decimal' }}
+                  fullWidth
+                  error={!!errors.costPerUnit}
+                  helperText={errors.costPerUnit?.message}
+                />
               )} />
             </Grid>
             <Grid item xs={12} sm={6}>
@@ -357,31 +314,27 @@ const FuelLogFormComponent: React.FC<{ onSuccess?: () => void; initial?: Partial
                   onChange={(e) => field.onChange(e.target.value)}
                   label={`Fuel Amount (${userSettings?.unitSystem === 'imperial' ? 'gallons' : 'liters'})`}
                   type="number"
-                  inputProps={{ step: 0.001, min: 0.001 }}
+                  inputProps={{ step: 0.001, min: 0.001, inputMode: 'decimal' }}
                   fullWidth
                   error={!!errors.fuelUnits}
                   helperText={errors.fuelUnits?.message}
                 />
               )} />
             </Grid>
-            <Grid item xs={12} sm={6}>
-              <Controller name="costPerUnit" control={control} render={({ field }) => (
-                <TextField
-                  {...field}
-                  value={field.value ?? ''}
-                  onChange={(e) => field.onChange(e.target.value)}
-                  label={`Cost Per ${userSettings?.unitSystem === 'imperial' ? 'Gallon' : 'Liter'}`}
-                  type="number"
-                  inputProps={{ step: 0.001, min: 0.001 }}
-                  fullWidth
-                  error={!!errors.costPerUnit}
-                  helperText={errors.costPerUnit?.message}
-                />
-              )} />
-            </Grid>
             <Grid item xs={12}>
               <CostCalculator fuelUnits={fuelUnits} costPerUnit={costPerUnit} calculatedCost={calculatedCost} />
             </Grid>
+
+            {/* Row 4: Fuel Type / Fuel Grade (grade options filtered by type) */}
+            <Grid item xs={12}>
+              <Controller name="fuelType" control={control} render={({ field: fuelTypeField }) => (
+                <Controller name="fuelGrade" control={control} render={({ field: fuelGradeField }) => (
+                  <FuelTypeSelector fuelType={fuelTypeField.value} fuelGrade={fuelGradeField.value as any} onFuelTypeChange={fuelTypeField.onChange} onFuelGradeChange={fuelGradeField.onChange as any} error={(errors.fuelType?.message as any) || (errors.fuelGrade?.message as any)} />
+                )} />
+              )} />
+            </Grid>
+
+            {/* Row 5: Location */}
             <Grid item xs={12}>
               <Controller name="locationData" control={control} render={({ field }) => (
                 <StationPicker
@@ -392,11 +345,68 @@ const FuelLogFormComponent: React.FC<{ onSuccess?: () => void; initial?: Partial
                 />
               )} />
             </Grid>
+
+            {/* Row 6: MPG/L/100km (calculated, read-only) */}
+            <Grid item xs={12}>
+              <TextField
+                label={`${userSettings?.unitSystem === 'metric' ? 'L/100km' : 'MPG'}`}
+                value={calculatedEfficiency > 0 ? calculatedEfficiency.toFixed(3) : ''}
+                fullWidth
+                InputProps={{
+                  readOnly: true,
+                  sx: (theme) => ({
+                    backgroundColor: 'grey.50',
+                    ...theme.applyStyles('dark', {
+                      backgroundColor: '#4C4E4D',
+                    }),
+                    '& .MuiOutlinedInput-input': {
+                      cursor: 'default',
+                      color: 'inherit',
+                      ...theme.applyStyles('dark', {
+                        color: '#F2F3F6',
+                      }),
+                    },
+                  }),
+                }}
+                helperText="Calculated from distance ÷ fuel amount"
+                sx={{
+                  '& .MuiOutlinedInput-root': {
+                    minHeight: '56px',
+                  }
+                }}
+              />
+            </Grid>
+
+            {/* Row 7: Notes */}
             <Grid item xs={12}>
               <Controller name="notes" control={control} render={({ field }) => (
                 <TextField {...field} label="Notes (optional)" multiline rows={3} fullWidth error={!!errors.notes} helperText={errors.notes?.message} />
               )} />
             </Grid>
+
+            {/* Row 8: Date & Time (defaults to now, least-edited field) */}
+            <Grid item xs={12}>
+              <Controller name="dateTime" control={control} render={({ field }) => (
+                <DateTimePicker
+                  label="Date & Time"
+                  value={field.value ? dayjs(field.value) : null}
+                  onChange={(newValue) => field.onChange(newValue?.toISOString() || '')}
+                  format="MM/DD/YYYY hh:mm a"
+                  slotProps={{
+                    textField: {
+                      fullWidth: true,
+                      error: !!errors.dateTime,
+                      helperText: errors.dateTime?.message,
+                      sx: {
+                        '& .MuiOutlinedInput-root': {
+                          minHeight: '56px',
+                        }
+                      }
+                    }
+                  }}
+                />
+              )} />
+            </Grid>
             <Grid item xs={12}>
               <Box display="flex" gap={2} justifyContent="flex-end">
                 <Button type="submit" variant="contained" disabled={!isValid || isLoading} startIcon={isLoading ? <CircularProgress size={18} /> : undefined}>Add Fuel Log</Button>

frontend/src/features/maintenance/components/MaintenanceRecordsList.tsx

@@ -115,16 +115,16 @@ export const MaintenanceRecordsList: React.FC<MaintenanceRecordsListProps> = ({
                       {categoryDisplay} ({subtypeCount})
                     </Typography>
                     <Stack direction="row" spacing={1} flexWrap="wrap" sx={{ mt: 1 }}>
-                      {record.odometerReading && (
+                      {record.odometerReading != null && (
                         <Chip
-                          label={`${Number(record.odometerReading).toLocaleString()} miles`}
+                          label={`${record.odometerReading.toLocaleString()} miles`}
                           size="small"
                           variant="outlined"
                         />
                       )}
-                      {record.cost && (
+                      {record.cost != null && (
                         <Chip
-                          label={`$${Number(record.cost).toFixed(2)}`}
+                          label={`$${record.cost.toFixed(2)}`}
                           size="small"
                           color="primary"
                           variant="outlined"

frontend/src/features/vehicles/mobile/VehicleDetailMobile.tsx

@@ -142,9 +142,7 @@ export const VehicleDetailMobile: React.FC<VehicleDetailMobileProps> = ({
         secondaryParts.push(new Date(rec.date).toLocaleDateString());
         secondaryParts.push('Maintenance');
         const secondary = secondaryParts.join(' • ');
-        // Backend returns numeric/decimal columns as strings via node-postgres; coerce.
-        const costNum = rec.cost != null ? Number(rec.cost) : NaN;
-        const amount = Number.isFinite(costNum) ? `$${costNum.toFixed(2)}` : undefined;
+        const amount = typeof rec.cost === 'number' ? `$${rec.cost.toFixed(2)}` : undefined;
         list.push({
           id: rec.id,
           type: 'Maintenance',

frontend/src/features/vehicles/pages/VehicleDetailPage.tsx

@@ -148,9 +148,7 @@ export const VehicleDetailPage: React.FC = () => {
         if (subtypeText) parts.push(subtypeText);
         if (rec.shopName) parts.push(rec.shopName);
         const summary = parts.join(' • ');
-        // Backend returns numeric/decimal columns as strings via node-postgres; coerce.
-        const costNum = rec.cost != null ? Number(rec.cost) : NaN;
-        const amount = Number.isFinite(costNum) ? `$${costNum.toFixed(2)}` : undefined;
+        const amount = typeof rec.cost === 'number' ? `$${rec.cost.toFixed(2)}` : undefined;
         list.push({ id: rec.id, type: 'Maintenance', date: rec.date, summary, amount });
       }
     }