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|
package main
import (
"database/sql"
"fmt"
"log"
"strings"
"time"
"unicode"
"golang.org/x/text/runes"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
)
// SQL migrations embedded as constants
const migration001 = `-- Initial schema for timetrack database
-- Creates schema_version tracking, clients, and time_entries tables
CREATE TABLE IF NOT EXISTS schema_version (
version INTEGER PRIMARY KEY,
applied_at INTEGER NOT NULL -- Unix timestamp
);
CREATE TABLE IF NOT EXISTS clients (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
target_hours REAL NOT NULL DEFAULT 40.0
);
CREATE TABLE IF NOT EXISTS time_entries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
client_id INTEGER NOT NULL,
start_time INTEGER NOT NULL, -- Unix timestamp
end_time INTEGER, -- Unix timestamp, NULL = in progress
FOREIGN KEY (client_id) REFERENCES clients(id),
CHECK (end_time IS NULL OR end_time > start_time)
);
CREATE INDEX IF NOT EXISTS idx_time_entries_client_start
ON time_entries(client_id, start_time);
`
const migration002 = `-- Add archived column to clients table
ALTER TABLE clients ADD COLUMN archived INTEGER NOT NULL DEFAULT 0;
CREATE INDEX IF NOT EXISTS idx_clients_archived ON clients(archived);
`
const migration003 = `-- Add archived_at timestamp to clients table
ALTER TABLE clients ADD COLUMN archived_at INTEGER;
CREATE INDEX IF NOT EXISTS idx_clients_archived_at ON clients(archived_at);
`
const migration004 = `-- Add comment column to time_entries table
ALTER TABLE time_entries ADD COLUMN comment TEXT NOT NULL DEFAULT '';
`
const migration005 = `-- Add invoicing support
-- Create invoices table (immutable once sent)
CREATE TABLE IF NOT EXISTS invoices (
id INTEGER PRIMARY KEY AUTOINCREMENT,
client_id INTEGER NOT NULL,
invoice_number TEXT NOT NULL UNIQUE,
created_at INTEGER NOT NULL,
sent_at INTEGER,
paid_at INTEGER,
total_hours REAL NOT NULL,
hourly_rate REAL,
total_amount REAL,
currency TEXT DEFAULT 'EUR',
notes TEXT,
status TEXT DEFAULT 'draft',
FOREIGN KEY (client_id) REFERENCES clients(id)
);
-- Create invoice line items table (immutable snapshot of time entries)
CREATE TABLE IF NOT EXISTS invoice_line_items (
id INTEGER PRIMARY KEY AUTOINCREMENT,
invoice_id INTEGER NOT NULL,
date TEXT NOT NULL,
start_time INTEGER NOT NULL,
end_time INTEGER,
hours REAL NOT NULL,
description TEXT,
source_entry_id INTEGER,
FOREIGN KEY (invoice_id) REFERENCES invoices(id) ON DELETE CASCADE,
FOREIGN KEY (source_entry_id) REFERENCES time_entries(id) ON DELETE SET NULL
);
-- Add invoice_id to time_entries for tracking
ALTER TABLE time_entries ADD COLUMN invoice_id INTEGER REFERENCES invoices(id) ON DELETE SET NULL;
-- Create indexes for performance
CREATE INDEX IF NOT EXISTS idx_invoices_client ON invoices(client_id);
CREATE INDEX IF NOT EXISTS idx_invoices_number ON invoices(invoice_number);
CREATE INDEX IF NOT EXISTS idx_invoice_line_items_invoice ON invoice_line_items(invoice_id);
CREATE INDEX IF NOT EXISTS idx_time_entries_invoice ON time_entries(invoice_id);
`
const migration006 = `-- Add shortcode column to clients table for invoice prefixes
-- Shortcode is used to create client-specific invoice numbers (e.g., NP-2025-001)
-- Shortcodes must be unique and non-empty (enforced by unique index)
ALTER TABLE clients ADD COLUMN shortcode TEXT NOT NULL DEFAULT '';
-- Create unique index on non-empty shortcodes to prevent duplicates
-- Note: Empty strings ('') are allowed during migration for backward compatibility
CREATE UNIQUE INDEX idx_clients_shortcode ON clients(shortcode) WHERE shortcode != '';
`
const migration007 = `-- Add milestones support
-- Milestones are markers that appear in the time entry list at specific timestamps
-- They show cumulative hours and help track project phases
CREATE TABLE IF NOT EXISTS milestones (
id INTEGER PRIMARY KEY AUTOINCREMENT,
client_id INTEGER NOT NULL,
name TEXT NOT NULL,
timestamp INTEGER NOT NULL,
FOREIGN KEY (client_id) REFERENCES clients(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_milestones_client_timestamp
ON milestones(client_id, timestamp);
`
const migration008 = `-- Add UI state persistence as key-value store
-- Stores UI state like selected client ID and scroll positions
CREATE TABLE IF NOT EXISTS ui_state (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
`
// InitDB opens or creates the SQLite database at the given path,
// configures SQLite pragmas, and runs any pending migrations.
func InitDB(dbPath string) (*sql.DB, error) {
// Pragmas travel in the DSN so they apply to every pooled connection:
// busy_timeout (a writer waits for the lock instead of failing with
// SQLITE_BUSY), foreign-key enforcement (off by default in SQLite), and WAL so readers do not block the writer. A post-open
// db.Exec("PRAGMA …") would only configure whichever single pooled
// connection ran it, leaving the others at SQLite's defaults.
db, err := sql.Open("sqlite",
"file:"+dbPath+"?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)&_pragma=foreign_keys(on)")
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}
// Run migrations
if err := runMigrations(db); err != nil {
db.Close()
return nil, fmt.Errorf("migration failed: %w", err)
}
// Seed with test data if database is empty
if err := seedTestDataIfEmpty(db); err != nil {
db.Close()
return nil, fmt.Errorf("failed to seed test data: %w", err)
}
return db, nil
}
// runMigrations applies any pending database migrations.
// Migrations are applied in order based on their version number.
func runMigrations(db *sql.DB) error {
// Define migrations as version number and SQL content
migrations := []struct {
version int
sql string
}{
{1, migration001},
{2, migration002},
{3, migration003},
{4, migration004},
{5, migration005},
{6, migration006},
{7, migration007},
{8, migration008},
}
for _, migration := range migrations {
// Check if this migration has already been applied
var exists int
err := db.QueryRow("SELECT COUNT(*) FROM schema_version WHERE version = ?", migration.version).Scan(&exists)
if err != nil {
// schema_version table doesn't exist yet, which is fine for first migration
if migration.version != 1 {
return fmt.Errorf("failed to check migration status: %w", err)
}
}
if exists > 0 {
continue // Migration already applied
}
// Execute migration in a transaction
tx, err := db.Begin()
if err != nil {
return fmt.Errorf("failed to begin transaction for migration %d: %w", migration.version, err)
}
if _, err := tx.Exec(migration.sql); err != nil {
tx.Rollback()
return fmt.Errorf("failed to execute migration %d: %w", migration.version, err)
}
// Record that this migration has been applied
if _, err := tx.Exec("INSERT INTO schema_version (version, applied_at) VALUES (?, ?)",
migration.version, time.Now().Unix()); err != nil {
tx.Rollback()
return fmt.Errorf("failed to record migration %d: %w", migration.version, err)
}
if err := tx.Commit(); err != nil {
return fmt.Errorf("failed to commit migration %d: %w", migration.version, err)
}
log.Printf("Applied migration %d", migration.version)
fmt.Printf("✓ Applied migration %d\n", migration.version)
}
return nil
}
// LoadClients loads all clients and their time entries from the database.
func LoadClients(db *sql.DB) ([]Client, error) {
// Query all clients (only non-archived ones)
rows, err := db.Query(`
SELECT c.id, c.name, c.shortcode, c.target_hours, c.archived, c.archived_at
FROM clients c
LEFT JOIN (
SELECT client_id, MAX(start_time) AS last_activity
FROM time_entries
GROUP BY client_id
) t ON c.id = t.client_id
WHERE c.archived = 0
ORDER BY t.last_activity DESC NULLS LAST, c.name
`)
if err != nil {
return nil, fmt.Errorf("failed to query clients: %w", err)
}
defer rows.Close()
var clients []Client
for rows.Next() {
var client Client
var archivedInt int
if err := rows.Scan(&client.ID, &client.Name, &client.Shortcode, &client.TargetHours, &archivedInt, &client.ArchivedAt); err != nil {
return nil, fmt.Errorf("failed to scan client: %w", err)
}
client.Archived = (archivedInt != 0)
// Load display items (entries + milestones) for this client
displayItems, err := LoadClientDisplayItems(db, client.ID)
if err != nil {
return nil, fmt.Errorf("failed to load display items for client %s: %w", client.Name, err)
}
client.DisplayItems = displayItems
clients = append(clients, client)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("error iterating clients: %w", err)
}
return clients, nil
}
// loadTimeEntries loads all time entries for a specific client.
func loadTimeEntries(db *sql.DB, clientID int64) ([]TimeEntry, error) {
rows, err := db.Query(`
SELECT te.id, te.client_id, te.start_time, te.end_time, te.comment, te.invoice_id, inv.invoice_number
FROM time_entries te
LEFT JOIN invoices inv ON te.invoice_id = inv.id
WHERE te.client_id = ?
ORDER BY te.start_time
`, clientID)
if err != nil {
return nil, fmt.Errorf("failed to query time entries: %w", err)
}
defer rows.Close()
var entries []TimeEntry
for rows.Next() {
var entry TimeEntry
if err := rows.Scan(&entry.ID, &entry.ClientID, &entry.StartTime, &entry.EndTime, &entry.Comment, &entry.InvoiceID, &entry.InvoiceNumber); err != nil {
return nil, fmt.Errorf("failed to scan time entry: %w", err)
}
entries = append(entries, entry)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("error iterating time entries: %w", err)
}
// Populate display indices (1-based)
for i := range entries {
entries[i].Index = i + 1
}
return entries, nil
}
// seedTestDataIfEmpty seeds the database with test data if the clients table is empty.
func seedTestDataIfEmpty(db *sql.DB) error {
var count int
if err := db.QueryRow("SELECT COUNT(*) FROM clients").Scan(&count); err != nil {
return fmt.Errorf("failed to check if clients table is empty: %w", err)
}
if count > 0 {
return nil // Data already exists
}
log.Println("Seeding database with test data...")
// Helper to parse date+time into unix timestamp
parseDateTime := func(date, timeStr string) int64 {
layout := "2006-01-02 15:04"
t, err := time.Parse(layout, date+" "+timeStr)
if err != nil {
log.Fatalf("Failed to parse date/time: %v", err)
}
return t.Unix()
}
tx, err := db.Begin()
if err != nil {
return fmt.Errorf("failed to begin transaction: %w", err)
}
// Insert test clients
clients := []struct {
name string
shortcode string
targetHours float64
entries []struct {
date string
start string
end string
}
}{
{
name: "Client1",
shortcode: "C1",
targetHours: 40.0,
entries: []struct {
date string
start string
end string
}{
{"2025-06-04", "19:00", "21:00"},
{"2025-06-05", "13:30", "18:00"},
{"2025-09-05", "10:00", "18:00"},
},
},
{
name: "Client2",
shortcode: "C2",
targetHours: 40.0,
entries: []struct {
date string
start string
end string
}{
{"2025-09-06", "10:00", "18:00"},
{"2025-09-07", "10:00", "18:00"},
{"2025-09-09", "10:00", "12:00"},
},
},
{
name: "Client3",
shortcode: "C3",
targetHours: 40.0,
entries: []struct {
date string
start string
end string
}{
{"2025-09-09", "16:00", "18:00"},
{"2025-09-10", "18:00", "21:00"},
{"2025-09-11", "10:00", "18:00"},
},
},
}
for _, client := range clients {
result, err := tx.Exec("INSERT INTO clients (name, shortcode, target_hours) VALUES (?, ?, ?)",
client.name, client.shortcode, client.targetHours)
if err != nil {
tx.Rollback()
return fmt.Errorf("failed to insert client %s: %w", client.name, err)
}
clientID, err := result.LastInsertId()
if err != nil {
tx.Rollback()
return fmt.Errorf("failed to get client ID: %w", err)
}
for _, entry := range client.entries {
startTime := parseDateTime(entry.date, entry.start)
endTime := parseDateTime(entry.date, entry.end)
_, err := tx.Exec("INSERT INTO time_entries (client_id, start_time, end_time) VALUES (?, ?, ?)",
clientID, startTime, endTime)
if err != nil {
tx.Rollback()
return fmt.Errorf("failed to insert time entry: %w", err)
}
}
}
if err := tx.Commit(); err != nil {
return fmt.Errorf("failed to commit seed data: %w", err)
}
log.Println("Test data seeded successfully")
return nil
}
// GetRunningEntry finds the currently running time entry for a client (end_time is NULL).
// Returns nil if no running entry exists.
func GetRunningEntry(db *sql.DB, clientID int64) (*TimeEntry, error) {
var entry TimeEntry
err := db.QueryRow(`
SELECT id, client_id, start_time, end_time, comment
FROM time_entries
WHERE client_id = ? AND end_time IS NULL
ORDER BY start_time DESC
LIMIT 1
`, clientID).Scan(&entry.ID, &entry.ClientID, &entry.StartTime, &entry.EndTime, &entry.Comment)
if err == sql.ErrNoRows {
return nil, nil // No running entry
}
if err != nil {
return nil, fmt.Errorf("failed to query running entry: %w", err)
}
return &entry, nil
}
// GetLastCompletedEntry finds the most recently completed time entry for a client.
// Returns nil if no completed entries exist.
// Excludes invoiced entries to prevent modification of billed hours.
func GetLastCompletedEntry(db *sql.DB, clientID int64) (*TimeEntry, error) {
var entry TimeEntry
err := db.QueryRow(`
SELECT id, client_id, start_time, end_time, comment
FROM time_entries
WHERE client_id = ? AND end_time IS NOT NULL AND invoice_id IS NULL
ORDER BY end_time DESC
LIMIT 1
`, clientID).Scan(&entry.ID, &entry.ClientID, &entry.StartTime, &entry.EndTime, &entry.Comment)
if err == sql.ErrNoRows {
return nil, nil // No completed entries
}
if err != nil {
return nil, fmt.Errorf("failed to query last completed entry: %w", err)
}
return &entry, nil
}
// StopEntry sets the end_time of an entry to the current time (snapped to next 15min).
func StopEntry(db *sql.DB, entryID int64) error {
// Snap end time to next 15-minute mark (e.g., 14:37 → 14:45)
snappedEnd := SnapToNext15Min(time.Now())
_, err := db.Exec(`
UPDATE time_entries
SET end_time = ?
WHERE id = ?
`, snappedEnd.Unix(), entryID)
if err != nil {
return fmt.Errorf("failed to stop entry: %w", err)
}
return nil
}
// RestartEntry sets the end_time of an entry back to NULL (making it in-progress).
// Returns an error if the entry has been invoiced (to preserve billing integrity).
func RestartEntry(db *sql.DB, entryID int64) error {
// Check if entry is invoiced
var invoiceID sql.NullInt64
err := db.QueryRow(`
SELECT invoice_id
FROM time_entries
WHERE id = ?
`, entryID).Scan(&invoiceID)
if err != nil {
return fmt.Errorf("failed to check entry status: %w", err)
}
if invoiceID.Valid {
return fmt.Errorf("cannot restart invoiced entry (preserves billing integrity)")
}
_, err = db.Exec(`
UPDATE time_entries
SET end_time = NULL
WHERE id = ?
`, entryID)
if err != nil {
return fmt.Errorf("failed to restart entry: %w", err)
}
return nil
}
// StartNewEntry creates a new time entry with start_time=now (snapped to previous 15min) and end_time=NULL.
func StartNewEntry(db *sql.DB, clientID int64) error {
// Snap start time to previous 15-minute mark (e.g., 14:37 → 14:30)
snappedStart := SnapToPrevious15Min(time.Now())
_, err := db.Exec(`
INSERT INTO time_entries (client_id, start_time, end_time)
VALUES (?, ?, NULL)
`, clientID, snappedStart.Unix())
if err != nil {
return fmt.Errorf("failed to start new entry: %w", err)
}
return nil
}
// UpdateEntryStartTime adjusts the start_time of an entry by adding/subtracting minutes.
// Returns an error if the entry has been invoiced (to preserve billing integrity).
func UpdateEntryStartTime(db *sql.DB, entryID int64, minutesDelta int) error {
// Check if entry is invoiced
var invoiceID sql.NullInt64
var startTime int64
var endTime sql.NullInt64
err := db.QueryRow(`
SELECT invoice_id, start_time, end_time
FROM time_entries
WHERE id = ?
`, entryID).Scan(&invoiceID, &startTime, &endTime)
if err != nil {
return fmt.Errorf("failed to check entry status: %w", err)
}
if invoiceID.Valid {
return fmt.Errorf("cannot adjust invoiced entry (preserves billing integrity)")
}
// Calculate new start time
newStartTime := startTime + int64(minutesDelta*60)
// Validate: new start time must be before end time (if entry has end time)
if endTime.Valid && newStartTime >= endTime.Int64 {
return fmt.Errorf("start time must be before end time")
}
// Update the start time
_, err = db.Exec(`
UPDATE time_entries
SET start_time = ?
WHERE id = ?
`, newStartTime, entryID)
if err != nil {
return fmt.Errorf("failed to update start time: %w", err)
}
return nil
}
// UpdateEntryEndTime adjusts the end_time of an entry by adding/subtracting minutes.
// Returns an error if:
// - The entry has been invoiced (to preserve billing integrity)
// - The entry is still running (end_time is NULL)
func UpdateEntryEndTime(db *sql.DB, entryID int64, minutesDelta int) error {
// Check if entry is invoiced and get current times
var invoiceID sql.NullInt64
var startTime int64
var endTime sql.NullInt64
err := db.QueryRow(`
SELECT invoice_id, start_time, end_time
FROM time_entries
WHERE id = ?
`, entryID).Scan(&invoiceID, &startTime, &endTime)
if err != nil {
return fmt.Errorf("failed to check entry status: %w", err)
}
if invoiceID.Valid {
return fmt.Errorf("cannot adjust invoiced entry (preserves billing integrity)")
}
if !endTime.Valid {
return fmt.Errorf("cannot adjust end time of running entry (stop it first)")
}
// Calculate new end time
newEndTime := endTime.Int64 + int64(minutesDelta*60)
// Validate: new end time must be after start time
if newEndTime <= startTime {
return fmt.Errorf("end time must be after start time")
}
// Update the end time
_, err = db.Exec(`
UPDATE time_entries
SET end_time = ?
WHERE id = ?
`, newEndTime, entryID)
if err != nil {
return fmt.Errorf("failed to update end time: %w", err)
}
return nil
}
// CreateClient creates a new client with the given name, shortcode, and default target hours.
func CreateClient(db *sql.DB, name, shortcode string) error {
if name == "" {
return fmt.Errorf("client name cannot be empty")
}
if shortcode == "" {
return fmt.Errorf("client shortcode cannot be empty")
}
_, err := db.Exec(`
INSERT INTO clients (name, shortcode, target_hours)
VALUES (?, ?, 40.0)
`, name, shortcode)
if err != nil {
return fmt.Errorf("failed to create client: %w", err)
}
return nil
}
// UpdateClientShortcode updates the shortcode for a client.
func UpdateClientShortcode(db *sql.DB, clientID int64, shortcode string) error {
if shortcode == "" {
return fmt.Errorf("shortcode cannot be empty")
}
_, err := db.Exec(`
UPDATE clients
SET shortcode = ?
WHERE id = ?
`, shortcode, clientID)
if err != nil {
return fmt.Errorf("failed to update client shortcode: %w", err)
}
return nil
}
// LoadArchivedClients loads all archived clients sorted by archived_at (most recent first).
func LoadArchivedClients(db *sql.DB) ([]Client, error) {
// Query all archived clients, sorted by archived_at descending (most recent first)
rows, err := db.Query(`
SELECT id, name, shortcode, target_hours, archived, archived_at
FROM clients
WHERE archived = 1
ORDER BY archived_at DESC, name
`)
if err != nil {
return nil, fmt.Errorf("failed to query archived clients: %w", err)
}
defer rows.Close()
var clients []Client
for rows.Next() {
var client Client
var archivedInt int
if err := rows.Scan(&client.ID, &client.Name, &client.Shortcode, &client.TargetHours, &archivedInt, &client.ArchivedAt); err != nil {
return nil, fmt.Errorf("failed to scan archived client: %w", err)
}
client.Archived = (archivedInt != 0)
// Load display items (entries + milestones) for this client
displayItems, err := LoadClientDisplayItems(db, client.ID)
if err != nil {
return nil, fmt.Errorf("failed to load display items for archived client %s: %w", client.Name, err)
}
client.DisplayItems = displayItems
clients = append(clients, client)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("error iterating archived clients: %w", err)
}
return clients, nil
}
// ArchiveClient toggles the archived status of a client and updates the timestamp.
func ArchiveClient(db *sql.DB, clientID int64) error {
_, err := db.Exec(`
UPDATE clients
SET archived = NOT archived,
archived_at = ?
WHERE id = ?
`, time.Now().Unix(), clientID)
if err != nil {
return fmt.Errorf("failed to toggle archive status: %w", err)
}
return nil
}
// UpdateEntryComment updates the comment field of a time entry.
// Returns an error if the entry has been invoiced (to preserve billing integrity).
func UpdateEntryComment(db *sql.DB, entryID int64, comment string) error {
// Check if entry is invoiced
var invoiceID sql.NullInt64
err := db.QueryRow(`
SELECT invoice_id
FROM time_entries
WHERE id = ?
`, entryID).Scan(&invoiceID)
if err != nil {
return fmt.Errorf("failed to check entry status: %w", err)
}
if invoiceID.Valid {
return fmt.Errorf("cannot edit invoiced entry (preserves billing integrity)")
}
_, err = db.Exec(`
UPDATE time_entries
SET comment = ?
WHERE id = ?
`, comment, entryID)
if err != nil {
return fmt.Errorf("failed to update entry comment: %w", err)
}
return nil
}
// DeleteEntry deletes a time entry from the database.
// Returns an error if the entry has been invoiced (to preserve billing integrity).
func DeleteEntry(db *sql.DB, entryID int64) error {
// Check if entry is invoiced
var invoiceID sql.NullInt64
err := db.QueryRow(`
SELECT invoice_id
FROM time_entries
WHERE id = ?
`, entryID).Scan(&invoiceID)
if err != nil {
return fmt.Errorf("failed to check entry status: %w", err)
}
if invoiceID.Valid {
return fmt.Errorf("cannot delete invoiced entry (preserves billing integrity)")
}
_, err = db.Exec(`
DELETE FROM time_entries
WHERE id = ?
`, entryID)
if err != nil {
return fmt.Errorf("failed to delete entry: %w", err)
}
return nil
}
// normalizeClientName normalizes a client name for comparison by:
// - Decomposing Unicode characters (NFD)
// - Removing combining marks (accents, diacritics)
// - Converting to lowercase
// - Keeping only letters and digits
// - Removing all symbols and special characters
func normalizeClientName(name string) string {
// Create transformer that:
// 1. Decomposes Unicode (NFD) - separates base chars from accents
// 2. Removes non-spacing marks (accents, diacritics)
// 3. Composes back (NFC) for consistency
t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
// Apply transformation
normalized, _, err := transform.String(t, name)
if err != nil {
// If transformation fails, fall back to original
normalized = name
}
// Convert to lowercase and keep only alphanumeric
var result strings.Builder
for _, ch := range strings.ToLower(normalized) {
if (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9') {
result.WriteRune(ch)
}
}
return result.String()
}
// GetClientByName looks up a client by name. Returns nil if not found.
func GetClientByName(db *sql.DB, name string) (*Client, error) {
var client Client
var archivedInt int
err := db.QueryRow(`
SELECT id, name, shortcode, target_hours, archived, archived_at
FROM clients
WHERE name = ?
`, name).Scan(&client.ID, &client.Name, &client.Shortcode, &client.TargetHours, &archivedInt, &client.ArchivedAt)
if err == sql.ErrNoRows {
return nil, nil // Client not found
}
if err != nil {
return nil, fmt.Errorf("failed to query client: %w", err)
}
client.Archived = (archivedInt != 0)
return &client, nil
}
// GetClientByNormalizedName looks up a client by normalized name.
// Returns the client and whether an exact match was found.
func GetClientByNormalizedName(db *sql.DB, name string) (*Client, bool, error) {
normalized := normalizeClientName(name)
// Get all clients and check for normalized match
rows, err := db.Query(`
SELECT id, name, shortcode, target_hours, archived, archived_at
FROM clients
`)
if err != nil {
return nil, false, fmt.Errorf("failed to query clients: %w", err)
}
defer rows.Close()
for rows.Next() {
var client Client
var archivedInt int
if err := rows.Scan(&client.ID, &client.Name, &client.Shortcode, &client.TargetHours, &archivedInt, &client.ArchivedAt); err != nil {
return nil, false, fmt.Errorf("failed to scan client: %w", err)
}
client.Archived = (archivedInt != 0)
if normalizeClientName(client.Name) == normalized {
exactMatch := client.Name == name
return &client, exactMatch, nil
}
}
if err := rows.Err(); err != nil {
return nil, false, fmt.Errorf("error iterating clients: %w", err)
}
return nil, false, nil // Client not found
}
// HasOpenEntry checks if a client has any open (in-progress) time entries.
func HasOpenEntry(db *sql.DB, clientID int64) (bool, error) {
var count int
err := db.QueryRow(`
SELECT COUNT(*)
FROM time_entries
WHERE client_id = ? AND end_time IS NULL
`, clientID).Scan(&count)
if err != nil {
return false, fmt.Errorf("failed to check for open entries: %w", err)
}
return count > 0, nil
}
// CheckTimeOverlap checks if a time range [startTime, endTime] overlaps with any existing
// time entries for a client. If endTime is 0, it represents an open entry (end_time IS NULL).
// Returns true if there's an overlap, false otherwise.
func CheckTimeOverlap(db *sql.DB, clientID int64, startTime int64, endTime int64) (bool, error) {
var query string
var args []any
if endTime == 0 {
// Checking for open entry - it overlaps with any existing entry that:
// 1. Is open (end_time IS NULL), OR
// 2. Has an end_time >= startTime (the new open entry would extend into it)
query = `
SELECT COUNT(*)
FROM time_entries
WHERE client_id = ? AND (
end_time IS NULL OR
end_time > ?
)
`
args = []any{clientID, startTime}
} else {
// Checking for closed entry - overlaps when: start_time < endTime AND (end_time IS NULL OR end_time > startTime)
query = `
SELECT COUNT(*)
FROM time_entries
WHERE client_id = ? AND start_time < ? AND (end_time IS NULL OR end_time > ?)
`
args = []any{clientID, endTime, startTime}
}
var count int
err := db.QueryRow(query, args...).Scan(&count)
if err != nil {
return false, fmt.Errorf("failed to check time overlap: %w", err)
}
return count > 0, nil
}
// CreateMilestone creates a new milestone for a client at the given timestamp.
func CreateMilestone(db *sql.DB, clientID int64, name string, timestamp int64) error {
if name == "" {
return fmt.Errorf("milestone name cannot be empty")
}
_, err := db.Exec(`
INSERT INTO milestones (client_id, name, timestamp)
VALUES (?, ?, ?)
`, clientID, name, timestamp)
if err != nil {
return fmt.Errorf("failed to create milestone: %w", err)
}
return nil
}
// UpdateMilestone updates the name of an existing milestone.
func UpdateMilestone(db *sql.DB, milestoneID int64, name string) error {
if name == "" {
return fmt.Errorf("milestone name cannot be empty")
}
_, err := db.Exec(`
UPDATE milestones
SET name = ?
WHERE id = ?
`, name, milestoneID)
if err != nil {
return fmt.Errorf("failed to update milestone: %w", err)
}
return nil
}
// UpdateMilestoneTimestamp updates the timestamp of a milestone (used for movement).
func UpdateMilestoneTimestamp(db *sql.DB, milestoneID int64, timestamp int64) error {
_, err := db.Exec(`
UPDATE milestones
SET timestamp = ?
WHERE id = ?
`, timestamp, milestoneID)
if err != nil {
return fmt.Errorf("failed to update milestone timestamp: %w", err)
}
return nil
}
// DeleteMilestone deletes a milestone from the database.
func DeleteMilestone(db *sql.DB, milestoneID int64) error {
_, err := db.Exec(`
DELETE FROM milestones
WHERE id = ?
`, milestoneID)
if err != nil {
return fmt.Errorf("failed to delete milestone: %w", err)
}
return nil
}
// LoadMilestones loads all milestones for a specific client.
func LoadMilestones(db *sql.DB, clientID int64) ([]Milestone, error) {
rows, err := db.Query(`
SELECT id, client_id, name, timestamp
FROM milestones
WHERE client_id = ?
ORDER BY timestamp
`, clientID)
if err != nil {
return nil, fmt.Errorf("failed to query milestones: %w", err)
}
defer rows.Close()
var milestones []Milestone
for rows.Next() {
var milestone Milestone
if err := rows.Scan(&milestone.ID, &milestone.ClientID, &milestone.Name, &milestone.Timestamp); err != nil {
return nil, fmt.Errorf("failed to scan milestone: %w", err)
}
milestones = append(milestones, milestone)
}
if err := rows.Err(); err != nil {
return nil, fmt.Errorf("error iterating milestones: %w", err)
}
return milestones, nil
}
// LoadClientDisplayItems loads time entries and milestones for a client,
// merges them into a unified sorted list, and calculates cumulative hours.
func LoadClientDisplayItems(db *sql.DB, clientID int64) ([]DisplayItem, error) {
// Load time entries
entries, err := loadTimeEntries(db, clientID)
if err != nil {
return nil, fmt.Errorf("failed to load entries: %w", err)
}
// Load milestones
milestones, err := LoadMilestones(db, clientID)
if err != nil {
return nil, fmt.Errorf("failed to load milestones: %w", err)
}
// Create display items list
var items []DisplayItem
// Add entries
for i := range entries {
items = append(items, DisplayItem{
ItemType: "entry",
Entry: &entries[i],
Milestone: nil,
SortTimestamp: entries[i].StartTime,
})
}
// Add milestones (subtract 0.5 for sorting so milestones appear before entries at same timestamp)
for i := range milestones {
items = append(items, DisplayItem{
ItemType: "milestone",
Entry: nil,
Milestone: &milestones[i],
SortTimestamp: milestones[i].Timestamp,
})
}
// Sort by timestamp (milestones will appear before entries at same timestamp due to stable sort)
// We need custom sort to ensure milestones come before entries at equal timestamps
for i := 0; i < len(items); i++ {
for j := i + 1; j < len(items); j++ {
// Sort by timestamp first
if items[i].SortTimestamp > items[j].SortTimestamp {
items[i], items[j] = items[j], items[i]
} else if items[i].SortTimestamp == items[j].SortTimestamp {
// If equal, milestones come before entries
if items[i].ItemType == "entry" && items[j].ItemType == "milestone" {
items[i], items[j] = items[j], items[i]
}
}
}
}
// Calculate hours between milestones and assign display indices
// For each milestone, we calculate the hours from that milestone until the next milestone
for i := range items {
items[i].DisplayIndex = i + 1
if items[i].ItemType == "milestone" {
// Calculate hours from this milestone until the next milestone (or end of list)
hours := 0.0
for j := i + 1; j < len(items); j++ {
if items[j].ItemType == "milestone" {
// Found next milestone, stop counting
break
}
// Count completed entries
if items[j].ItemType == "entry" && items[j].Entry.EndTime.Valid {
duration := float64(items[j].Entry.EndTime.Int64-items[j].Entry.StartTime) / 3600.0
hours += duration
}
}
items[i].CumulativeHours = hours
}
}
return items, nil
}
// SaveUIState saves a UI state key-value pair to the database.
func SaveUIState(db *sql.DB, key, value string) error {
_, err := db.Exec(`
INSERT INTO ui_state (key, value)
VALUES (?, ?)
ON CONFLICT(key) DO UPDATE SET value = excluded.value
`, key, value)
if err != nil {
return fmt.Errorf("failed to save UI state: %w", err)
}
return nil
}
// LoadUIState loads a UI state value by key from the database.
// Returns empty string if key doesn't exist.
func LoadUIState(db *sql.DB, key string) (string, error) {
var value string
err := db.QueryRow(`
SELECT value
FROM ui_state
WHERE key = ?
`, key).Scan(&value)
if err == sql.ErrNoRows {
return "", nil // Key doesn't exist
}
if err != nil {
return "", fmt.Errorf("failed to load UI state: %w", err)
}
return value, nil
}
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