init

2026-03-26 12:48:47 +00:00
commit 2d4cff717b
21 changed files with 1835 additions and 0 deletions
--- a/db/node.go
+++ b/db/node.go
@@ -0,0 +1,358 @@
+package db
+
+import (
+	"axolotl/models"
+	"axolotl/parse"
+	"database/sql"
+	"fmt"
+	"math/rand"
+	"strings"
+	"time"
+)
+
+func generateID() string {
+	const chars = "abcdefghijklmnopqrstuvwxyz"
+	b := make([]byte, 5)
+	for i := range b {
+		b[i] = chars[rand.Intn(26)]
+	}
+	return string(b)
+}
+
+func (db *DB) generateUniqueID() string {
+	//TODO: Check if all ids are reserved
+	for {
+		id := generateID()
+		var exists bool
+		db.QueryRow("SELECT EXISTS(SELECT 1 FROM nodes WHERE id = ?)", id).Scan(&exists)
+		if !exists {
+			return id
+		}
+	}
+}
+
+type CreateParams struct {
+	Title     string
+	Content   string
+	DueDate   string
+	Type      string
+	Status    string
+	Priority  string
+	Namespace string
+	Tags      []string
+	Rels      map[models.RelType][]string
+}
+
+func (db *DB) CreateNode(p CreateParams) (*models.Node, error) {
+	tx, err := db.Begin()
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback()
+
+	now := time.Now().UTC().Format(time.RFC3339)
+	id := db.generateUniqueID()
+
+	_, err = tx.Exec(
+		"INSERT INTO nodes (id, title, content, due_date, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?)",
+		id, p.Title, p.Content, p.DueDate, now, now,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	tags := p.Tags
+	if p.Type != "" {
+		tags = append(tags, models.PropertyTag("type", p.Type))
+	} else {
+		tags = append(tags, models.PropertyTag("type", "issue"))
+	}
+	if p.Status != "" {
+		tags = append(tags, models.PropertyTag("status", p.Status))
+	}
+	if p.Priority != "" {
+		tags = append(tags, models.PropertyTag("prio", p.Priority))
+	}
+	ns := p.Namespace
+	if ns == "" {
+		ns = GetCurrentUser()
+	}
+	tags = append(tags, models.PropertyTag("namespace", ns))
+
+	for _, tag := range tags {
+		if _, err := tx.Exec("INSERT INTO tags (node_id, tag) VALUES (?, ?)", id, tag); err != nil {
+			return nil, err
+		}
+	}
+
+	for relType, targets := range p.Rels {
+		for _, target := range targets {
+			if _, err := tx.Exec(
+				"INSERT INTO rels (from_id, to_id, rel_type) VALUES (?, ?, ?)",
+				id, target, relType,
+			); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	allText := p.Title + " " + p.Content
+	for _, u := range parse.Mentions(allText) {
+		tx.Exec("INSERT INTO tags (node_id, tag) VALUES (?, ?)", id, models.PropertyTag("inbox", u))
+	}
+
+	if err := tx.Commit(); err != nil {
+		return nil, err
+	}
+
+	return db.NodeByID(id)
+}
+
+type UpdateParams struct {
+	Title      string
+	Content    string
+	DueDate    string
+	ClearDue   bool
+	Status     string
+	Priority   string
+	AddTags    []string
+	RemoveTags []string
+	AddRels    map[models.RelType][]string
+	RemoveRels map[models.RelType][]string
+}
+
+func (db *DB) UpdateNode(id string, p UpdateParams) error {
+	tx, err := db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	now := time.Now().UTC().Format(time.RFC3339)
+	_, err = tx.Exec("UPDATE nodes SET updated_at = ? WHERE id = ?", now, id)
+	if err != nil {
+		return err
+	}
+
+	if p.Title != "" {
+		_, err = tx.Exec("UPDATE nodes SET title = ? WHERE id = ?", p.Title, id)
+		if err != nil {
+			return err
+		}
+	}
+	if p.Content != "" {
+		_, err = tx.Exec("UPDATE nodes SET content = ? WHERE id = ?", p.Content, id)
+		if err != nil {
+			return err
+		}
+	}
+	if p.DueDate != "" {
+		_, err = tx.Exec("UPDATE nodes SET due_date = ? WHERE id = ?", p.DueDate, id)
+		if err != nil {
+			return err
+		}
+	}
+	if p.ClearDue {
+		_, err = tx.Exec("UPDATE nodes SET due_date = NULL WHERE id = ?", id)
+		if err != nil {
+			return err
+		}
+	}
+
+	for _, tag := range p.AddTags {
+		tx.Exec("INSERT OR IGNORE INTO tags (node_id, tag) VALUES (?, ?)", id, tag)
+	}
+	for _, tag := range p.RemoveTags {
+		tx.Exec("DELETE FROM tags WHERE node_id = ? AND tag = ?", id, tag)
+	}
+
+	if p.Status != "" {
+		tx.Exec("DELETE FROM tags WHERE node_id = ? AND tag LIKE '_status::%'", id)
+		tx.Exec("INSERT INTO tags (node_id, tag) VALUES (?, ?)", id, models.PropertyTag("status", p.Status))
+	}
+	if p.Priority != "" {
+		tx.Exec("DELETE FROM tags WHERE node_id = ? AND tag LIKE '_prio::%'", id)
+		tx.Exec("INSERT INTO tags (node_id, tag) VALUES (?, ?)", id, models.PropertyTag("prio", p.Priority))
+	}
+
+	for relType, targets := range p.AddRels {
+		for _, target := range targets {
+			tx.Exec("INSERT OR IGNORE INTO rels (from_id, to_id, rel_type) VALUES (?, ?, ?)", id, target, relType)
+		}
+	}
+	for relType, targets := range p.RemoveRels {
+		for _, target := range targets {
+			tx.Exec("DELETE FROM rels WHERE from_id = ? AND to_id = ? AND rel_type = ?", id, target, relType)
+		}
+	}
+
+	return tx.Commit()
+}
+
+func (db *DB) DeleteNode(id string) error {
+	_, err := db.Exec("DELETE FROM nodes WHERE id = ?", id)
+	return err
+}
+
+type ListFilter struct {
+	Type      string
+	Status    string
+	Priority  string
+	Namespace string
+	Tag       string
+	Inbox     string
+	Assignee  string
+}
+
+func (db *DB) ListNodes(f ListFilter) ([]*models.Node, error) {
+	q := "SELECT DISTINCT n.id FROM nodes n"
+	args := []interface{}{}
+	joins := []string{}
+	conds := []string{}
+
+	if f.Type != "" {
+		joins = append(joins, "JOIN tags t_type ON n.id = t_type.node_id")
+		conds = append(conds, "t_type.tag = ?")
+		args = append(args, models.PropertyTag("type", f.Type))
+	}
+	if f.Status != "" {
+		joins = append(joins, "JOIN tags t_status ON n.id = t_status.node_id")
+		conds = append(conds, "t_status.tag = ?")
+		args = append(args, models.PropertyTag("status", f.Status))
+	}
+	if f.Priority != "" {
+		joins = append(joins, "JOIN tags t_prio ON n.id = t_prio.node_id")
+		conds = append(conds, "t_prio.tag = ?")
+		args = append(args, models.PropertyTag("prio", f.Priority))
+	}
+	if f.Namespace != "" {
+		joins = append(joins, "JOIN tags t_ns ON n.id = t_ns.node_id")
+		conds = append(conds, "t_ns.tag = ?")
+		args = append(args, models.PropertyTag("namespace", f.Namespace))
+	}
+	if f.Tag != "" {
+		joins = append(joins, "JOIN tags t_tag ON n.id = t_tag.node_id")
+		conds = append(conds, "t_tag.tag = ?")
+		args = append(args, f.Tag)
+	}
+	if f.Inbox != "" {
+		joins = append(joins, "JOIN tags t_inbox ON n.id = t_inbox.node_id")
+		conds = append(conds, "t_inbox.tag = ?")
+		args = append(args, models.PropertyTag("inbox", f.Inbox))
+	}
+	if f.Assignee != "" {
+		joins = append(joins, "JOIN rels r_assign ON n.id = r_assign.from_id")
+		conds = append(conds, "r_assign.to_id = ? AND r_assign.rel_type = ?")
+		args = append(args, f.Assignee, models.RelAssignee)
+	}
+
+	if len(joins) > 0 {
+		q += " " + strings.Join(joins, " ")
+	}
+	if len(conds) > 0 {
+		q += " WHERE " + strings.Join(conds, " AND ")
+	}
+	q += " ORDER BY n.created_at DESC"
+
+	rows, err := db.Query(q, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var nodes []*models.Node
+	for rows.Next() {
+		var id string
+		if err := rows.Scan(&id); err != nil {
+			return nil, err
+		}
+		n, err := db.NodeByID(id)
+		if err != nil {
+			return nil, err
+		}
+		nodes = append(nodes, n)
+	}
+	return nodes, nil
+}
+
+func (db *DB) CanClose(id string) (bool, []string, error) {
+	rows, err := db.Query(
+		"SELECT to_id FROM rels WHERE from_id = ? AND rel_type = ?",
+		id, models.RelBlocks,
+	)
+	if err != nil {
+		return false, nil, err
+	}
+	defer rows.Close()
+
+	var blocking []string
+	for rows.Next() {
+		var blockerID string
+		if err := rows.Scan(&blockerID); err != nil {
+			return false, nil, err
+		}
+		var tag string
+		err := db.QueryRow(
+			"SELECT tag FROM tags WHERE node_id = ? AND tag LIKE '_status::%'",
+			blockerID,
+		).Scan(&tag)
+		if err == sql.ErrNoRows {
+			blocking = append(blocking, blockerID)
+			continue
+		}
+		if err != nil {
+			return false, nil, err
+		}
+		if strings.HasSuffix(tag, "::open") {
+			blocking = append(blocking, blockerID)
+		}
+	}
+	return len(blocking) == 0, blocking, nil
+}
+
+func (db *DB) GetAllUsers() ([]string, error) {
+	rows, err := db.Query("SELECT n.id FROM nodes n JOIN tags t ON n.id = t.node_id WHERE t.tag = ?", models.PropertyTag("type", "user"))
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var users []string
+	for rows.Next() {
+		var id string
+		rows.Scan(&id)
+		users = append(users, id)
+	}
+	return users, nil
+}
+
+func (db *DB) GetSubtasks(parentID string) ([]*models.Node, error) {
+	rows, err := db.Query(
+		"SELECT to_id FROM rels WHERE from_id = ? AND rel_type = ?",
+		parentID, models.RelSubtask,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var nodes []*models.Node
+	for rows.Next() {
+		var id string
+		rows.Scan(&id)
+		n, err := db.NodeByID(id)
+		if err != nil {
+			return nil, err
+		}
+		nodes = append(nodes, n)
+	}
+	return nodes, nil
+}
+
+func ParseRelFlag(s string) (models.RelType, string, error) {
+	parts := strings.SplitN(s, ":", 2)
+	if len(parts) != 2 {
+		return "", "", fmt.Errorf("invalid relation format: %s (expected type:id)", s)
+	}
+	return models.RelType(parts[0]), parts[1], nil
+}