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Magnus Åhall 2024-12-01 10:21:29 +01:00
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<mxCell id="rRo1dadeA1uCrzt-e38k-96" value="" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" vertex="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-96" value="" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" parent="rRo1dadeA1uCrzt-e38k-73" vertex="1">
<mxGeometry x="310" y="220" width="40" height="40" as="geometry" /> <mxGeometry x="310" y="220" width="40" height="40" as="geometry" />
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-97" value="" style="endArrow=classic;html=1;rounded=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-97" value="" style="endArrow=classic;html=1;rounded=0;" parent="rRo1dadeA1uCrzt-e38k-73" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="240" y="240" as="sourcePoint" /> <mxPoint x="240" y="240" as="sourcePoint" />
<mxPoint x="100" y="240" as="targetPoint" /> <mxPoint x="100" y="240" as="targetPoint" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-108" value="Response from&lt;div&gt;NodeStore and&lt;/div&gt;&lt;div&gt;IndexedDB&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="rRo1dadeA1uCrzt-e38k-97"> <mxCell id="rRo1dadeA1uCrzt-e38k-108" value="Response from&lt;div&gt;NodeStore and&lt;/div&gt;&lt;div&gt;IndexedDB&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="rRo1dadeA1uCrzt-e38k-97" vertex="1" connectable="0">
<mxGeometry x="-0.0653" relative="1" as="geometry"> <mxGeometry x="-0.0653" relative="1" as="geometry">
<mxPoint as="offset" /> <mxPoint as="offset" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-99" value="" style="endArrow=classic;html=1;rounded=0;edgeStyle=orthogonalEdgeStyle;exitX=0.5;exitY=1;exitDx=0;exitDy=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73" source="rRo1dadeA1uCrzt-e38k-96"> <mxCell id="rRo1dadeA1uCrzt-e38k-99" value="" style="endArrow=classic;html=1;rounded=0;edgeStyle=orthogonalEdgeStyle;exitX=0.5;exitY=1;exitDx=0;exitDy=0;" parent="rRo1dadeA1uCrzt-e38k-73" source="rRo1dadeA1uCrzt-e38k-96" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="310" y="320" as="sourcePoint" /> <mxPoint x="310" y="320" as="sourcePoint" />
<mxPoint x="260" y="300" as="targetPoint" /> <mxPoint x="260" y="300" as="targetPoint" />
@ -159,49 +156,49 @@
</Array> </Array>
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-100" value="&amp;nbsp;No&amp;nbsp;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="rRo1dadeA1uCrzt-e38k-99"> <mxCell id="rRo1dadeA1uCrzt-e38k-100" value="&amp;nbsp;No&amp;nbsp;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="rRo1dadeA1uCrzt-e38k-99" vertex="1" connectable="0">
<mxGeometry x="0.382" relative="1" as="geometry"> <mxGeometry x="0.382" relative="1" as="geometry">
<mxPoint x="6" as="offset" /> <mxPoint x="6" as="offset" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-101" value="" style="endArrow=classic;html=1;rounded=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-101" value="" style="endArrow=classic;html=1;rounded=0;" parent="rRo1dadeA1uCrzt-e38k-73" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="260" y="320" as="sourcePoint" /> <mxPoint x="260" y="320" as="sourcePoint" />
<mxPoint x="640" y="320" as="targetPoint" /> <mxPoint x="560" y="320" as="targetPoint" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-102" value="&amp;nbsp;Fetch from backend&amp;nbsp;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="rRo1dadeA1uCrzt-e38k-101"> <mxCell id="rRo1dadeA1uCrzt-e38k-102" value="&amp;nbsp;Fetch from backend&amp;nbsp;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="rRo1dadeA1uCrzt-e38k-101" vertex="1" connectable="0">
<mxGeometry x="-0.018" y="2" relative="1" as="geometry"> <mxGeometry x="-0.018" y="2" relative="1" as="geometry">
<mxPoint x="-127" y="2" as="offset" /> <mxPoint x="3" y="2" as="offset" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-104" value="" style="endArrow=classic;html=1;rounded=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-104" value="" style="endArrow=classic;html=1;rounded=0;" parent="rRo1dadeA1uCrzt-e38k-73" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="640" y="360" as="sourcePoint" /> <mxPoint x="560" y="360" as="sourcePoint" />
<mxPoint x="260" y="360" as="targetPoint" /> <mxPoint x="260" y="360" as="targetPoint" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-106" value="" style="endArrow=classic;html=1;rounded=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-106" value="" style="endArrow=classic;html=1;rounded=0;" parent="rRo1dadeA1uCrzt-e38k-73" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="260" y="400" as="sourcePoint" /> <mxPoint x="260" y="400" as="sourcePoint" />
<mxPoint x="400" y="400" as="targetPoint" /> <mxPoint x="400" y="400" as="targetPoint" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-109" value="Store for future&lt;div&gt;use in IndexedDB&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="rRo1dadeA1uCrzt-e38k-106"> <mxCell id="rRo1dadeA1uCrzt-e38k-109" value="Store for future&lt;div&gt;use in IndexedDB&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="rRo1dadeA1uCrzt-e38k-106" vertex="1" connectable="0">
<mxGeometry x="-0.0898" y="-1" relative="1" as="geometry"> <mxGeometry x="-0.0898" y="-1" relative="1" as="geometry">
<mxPoint as="offset" /> <mxPoint as="offset" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-107" value="" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-107" value="" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="rRo1dadeA1uCrzt-e38k-73" vertex="1">
<mxGeometry x="400" y="380" width="20" height="40" as="geometry" /> <mxGeometry x="400" y="380" width="20" height="40" as="geometry" />
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-110" value="" style="endArrow=classic;html=1;rounded=0;" edge="1" parent="rRo1dadeA1uCrzt-e38k-73"> <mxCell id="rRo1dadeA1uCrzt-e38k-110" value="" style="endArrow=classic;html=1;rounded=0;" parent="rRo1dadeA1uCrzt-e38k-73" edge="1">
<mxGeometry width="50" height="50" relative="1" as="geometry"> <mxGeometry width="50" height="50" relative="1" as="geometry">
<mxPoint x="240" y="420" as="sourcePoint" /> <mxPoint x="240" y="420" as="sourcePoint" />
<mxPoint x="100" y="420" as="targetPoint" /> <mxPoint x="100" y="420" as="targetPoint" />
</mxGeometry> </mxGeometry>
</mxCell> </mxCell>
<mxCell id="rRo1dadeA1uCrzt-e38k-111" value="Response from&lt;div&gt;NodeStore and&lt;/div&gt;&lt;div&gt;PostgreSQL&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="rRo1dadeA1uCrzt-e38k-110"> <mxCell id="rRo1dadeA1uCrzt-e38k-111" value="Response from&lt;div&gt;NodeStore and&lt;/div&gt;&lt;div&gt;PostgreSQL&lt;/div&gt;" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="rRo1dadeA1uCrzt-e38k-110" vertex="1" connectable="0">
<mxGeometry x="0.2449" relative="1" as="geometry"> <mxGeometry x="0.2449" relative="1" as="geometry">
<mxPoint x="17" as="offset" /> <mxPoint x="17" as="offset" />
</mxGeometry> </mxGeometry>

63
file.go
View File

@ -1,6 +1,9 @@
package main package main
import ( import (
// External
"github.com/jmoiron/sqlx"
// Standard // Standard
"time" "time"
) )
@ -15,3 +18,63 @@ type File struct {
MD5 string MD5 string
Uploaded time.Time Uploaded time.Time
} }
func AddFile(userID int, file *File) (err error) { // {{{
file.UserID = userID
var rows *sqlx.Rows
rows, err = db.Queryx(`
INSERT INTO file(user_id, node_id, filename, size, mime, md5)
VALUES($1, $2, $3, $4, $5, $6)
RETURNING id
`,
file.UserID,
file.NodeID,
file.Filename,
file.Size,
file.MIME,
file.MD5,
)
if err != nil {
return
}
defer rows.Close()
rows.Next()
err = rows.Scan(&file.ID)
return
} // }}}
func Files(userID, nodeID, fileID int) (files []File, err error) { // {{{
var rows *sqlx.Rows
rows, err = db.Queryx(
`SELECT *
FROM file
WHERE
user_id = $1 AND
node_id = $2 AND
CASE $3::int
WHEN 0 THEN true
ELSE id = $3
END`,
userID,
nodeID,
fileID,
)
if err != nil {
return
}
defer rows.Close()
files = []File{}
for rows.Next() {
file := File{}
if err = rows.StructScan(&file); err != nil {
return
}
files = append(files, file)
}
return
} // }}}
// vim: foldmethod=marker

37
main.go
View File

@ -17,6 +17,7 @@ import (
"net/http" "net/http"
"path" "path"
"regexp" "regexp"
"strconv"
"strings" "strings"
"text/template" "text/template"
) )
@ -109,6 +110,7 @@ func main() { // {{{
http.HandleFunc("/user/authenticate", AuthManager.AuthenticationHandler) http.HandleFunc("/user/authenticate", AuthManager.AuthenticationHandler)
http.HandleFunc("/node/tree", authenticated(actionNodeTree)) http.HandleFunc("/node/tree", authenticated(actionNodeTree))
http.HandleFunc("/node/retrieve/{id}", authenticated(actionNodeRetrieve))
http.HandleFunc("/service_worker.js", pageServiceWorker) http.HandleFunc("/service_worker.js", pageServiceWorker)
@ -163,10 +165,13 @@ func rootHandler(w http.ResponseWriter, r *http.Request) { // {{{
Webengine.StaticResource(w, r) Webengine.StaticResource(w, r)
} // }}} } // }}}
func httpError(w http.ResponseWriter, err error) {// {{{ func httpError(w http.ResponseWriter, err error) { // {{{
j, _ := json.Marshal(struct { OK bool; Error string }{false, err.Error()}) j, _ := json.Marshal(struct {
OK bool
Error string
}{false, err.Error()})
w.Write(j) w.Write(j)
}// }}} } // }}}
func pageServiceWorker(w http.ResponseWriter, r *http.Request) { // {{{ func pageServiceWorker(w http.ResponseWriter, r *http.Request) { // {{{
w.Header().Add("Content-Type", "text/javascript; charset=utf-8") w.Header().Add("Content-Type", "text/javascript; charset=utf-8")
@ -183,18 +188,14 @@ func pageServiceWorker(w http.ResponseWriter, r *http.Request) { // {{{
return return
} }
err = tmpl.Execute(w, struct{ VERSION string }{VERSION}) err = tmpl.Execute(w, struct{ VERSION string; DevMode bool }{VERSION, FlagDev})
if err != nil { if err != nil {
w.Write([]byte(err.Error())) w.Write([]byte(err.Error()))
return return
} }
} // }}} } // }}}
func pageLogin(w http.ResponseWriter, r *http.Request) { // {{{ func pageLogin(w http.ResponseWriter, r *http.Request) { // {{{
page := HTMLTemplate.SimplePage{ page := NewPage("login")
Layout: "main",
Page: "login",
Version: VERSION,
}
err := Webengine.Render(page, w, r) err := Webengine.Render(page, w, r)
if err != nil { if err != nil {
@ -228,6 +229,24 @@ func actionNodeTree(w http.ResponseWriter, r *http.Request) { // {{{
Log.Debug("tree", "nodes", nodes) Log.Debug("tree", "nodes", nodes)
w.Write(j) w.Write(j)
} // }}} } // }}}
func actionNodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
user := getUser(r)
var err error
idStr := r.PathValue("id")
id, _ := strconv.Atoi(idStr)
node, err := RetrieveNode(user.ID, id)
if err != nil {
responseError(w, err)
return
}
responseData(w, map[string]interface{}{
"OK": true,
"Node": node,
})
} // }}}
func createNewUser(username string) { // {{{ func createNewUser(username string) { // {{{
reader := bufio.NewReader(os.Stdin) reader := bufio.NewReader(os.Stdin)

692
node.go
View File

@ -109,3 +109,695 @@ func NodeTree(userID, startNodeID int) (nodes []Node, err error) { // {{{
return return
} // }}} } // }}}
func RetrieveNode(userID, nodeID int) (node Node, err error) { // {{{
if nodeID == 0 {
return RootNode(userID)
}
var rows *sqlx.Rows
rows, err = db.Queryx(`
WITH RECURSIVE recurse AS (
SELECT
id,
user_id,
COALESCE(parent_id, 0) AS parent_id,
COALESCE(crypto_key_id, 0) AS crypto_key_id,
name,
content,
content_encrypted,
markdown,
0 AS level
FROM node
WHERE
user_id = $1 AND
id = $2
UNION
SELECT
n.id,
n.user_id,
n.parent_id,
COALESCE(n.crypto_key_id, 0) AS crypto_key_id,
n.name,
'' AS content,
'' AS content_encrypted,
false AS markdown,
r.level + 1 AS level
FROM node n
INNER JOIN recurse r ON n.parent_id = r.id AND r.level = 0
WHERE
n.user_id = $1
)
SELECT * FROM recurse ORDER BY level ASC
`,
userID,
nodeID,
)
if err != nil {
return
}
defer rows.Close()
type resultRow struct {
Node
Level int
}
node = Node{}
node.Children = []Node{}
for rows.Next() {
row := resultRow{}
if err = rows.StructScan(&row); err != nil {
return
}
if row.Level == 0 {
node.ID = row.ID
node.UserID = row.UserID
node.ParentID = row.ParentID
node.CryptoKeyID = row.CryptoKeyID
node.Name = row.Name
node.Complete = true
node.Markdown = row.Markdown
if node.CryptoKeyID > 0 {
node.Content = row.ContentEncrypted
} else {
node.Content = row.Content
}
node.retrieveChecklist()
}
if row.Level == 1 {
node.Children = append(node.Children, Node{
ID: row.ID,
UserID: row.UserID,
ParentID: row.ParentID,
CryptoKeyID: row.CryptoKeyID,
Name: row.Name,
})
}
}
node.Crumbs, err = NodeCrumbs(node.ID)
node.Files, err = Files(userID, node.ID, 0)
return
} // }}}
func RootNode(userID int) (node Node, err error) { // {{{
var rows *sqlx.Rows
rows, err = db.Queryx(`
SELECT
id,
user_id,
0 AS parent_id,
name
FROM node
WHERE
user_id = $1 AND
parent_id IS NULL
`,
userID,
)
if err != nil {
return
}
defer rows.Close()
node.Name = "Start"
node.UserID = userID
node.Complete = true
node.Children = []Node{}
node.Crumbs = []Node{}
node.Files = []File{}
for rows.Next() {
row := Node{}
if err = rows.StructScan(&row); err != nil {
return
}
node.Children = append(node.Children, Node{
ID: row.ID,
UserID: row.UserID,
ParentID: row.ParentID,
Name: row.Name,
})
}
return
} // }}}
func (node *Node) retrieveChecklist() (err error) { // {{{
var rows *sqlx.Rows
rows, err = db.Queryx(`
SELECT
g.id AS group_id,
g.order AS group_order,
g.label AS group_label,
COALESCE(i.id, 0) AS item_id,
COALESCE(i.order, 0) AS item_order,
COALESCE(i.label, '') AS item_label,
COALESCE(i.checked, false) AS checked
FROM public.checklist_group g
LEFT JOIN public.checklist_item i ON i.checklist_group_id = g.id
WHERE
g.node_id = $1
ORDER BY
g.order DESC,
i.order DESC
`, node.ID)
if err != nil {
return
}
defer rows.Close()
groups := make(map[int]*ChecklistGroup)
var found bool
var group *ChecklistGroup
var item ChecklistItem
for rows.Next() {
row := struct {
GroupID int `db:"group_id"`
GroupOrder int `db:"group_order"`
GroupLabel string `db:"group_label"`
ItemID int `db:"item_id"`
ItemOrder int `db:"item_order"`
ItemLabel string `db:"item_label"`
Checked bool
}{}
err = rows.StructScan(&row)
if err != nil {
return
}
if group, found = groups[row.GroupID]; !found {
group = new(ChecklistGroup)
group.ID = row.GroupID
group.NodeID = node.ID
group.Order = row.GroupOrder
group.Label = row.GroupLabel
group.Items = []ChecklistItem{}
groups[group.ID] = group
}
item = ChecklistItem{}
item.ID = row.ItemID
item.GroupID = row.GroupID
item.Order = row.ItemOrder
item.Label = row.ItemLabel
item.Checked = row.Checked
if item.ID > 0 {
group.Items = append(group.Items, item)
}
}
node.ChecklistGroups = []ChecklistGroup{}
for _, group := range groups {
node.ChecklistGroups = append(node.ChecklistGroups, *group)
}
return
} // }}}
func NodeCrumbs(nodeID int) (nodes []Node, err error) { // {{{
var rows *sqlx.Rows
rows, err = db.Queryx(`
WITH RECURSIVE nodes AS (
SELECT
id,
COALESCE(parent_id, 0) AS parent_id,
name
FROM node
WHERE
id = $1
UNION
SELECT
n.id,
COALESCE(n.parent_id, 0) AS parent_id,
n.name
FROM node n
INNER JOIN nodes nr ON n.id = nr.parent_id
)
SELECT * FROM nodes
`, nodeID)
if err != nil {
return
}
defer rows.Close()
nodes = []Node{}
for rows.Next() {
node := Node{}
if err = rows.StructScan(&node); err != nil {
return
}
nodes = append(nodes, node)
}
return
} // }}}
/*
func CreateNode(userID, parentID int, name string) (node Node, err error) { // {{{
var rows *sqlx.Rows
rows, err = service.Db.Conn.Queryx(`
INSERT INTO node(user_id, parent_id, name)
VALUES($1, NULLIF($2, 0)::integer, $3)
RETURNING
id,
user_id,
COALESCE(parent_id, 0) AS parent_id,
name,
content
`,
userID,
parentID,
name,
)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
node = Node{}
if err = rows.StructScan(&node); err != nil {
return
}
node.Children = []Node{}
node.Files = []File{}
node.Complete = true
}
node.Crumbs, err = NodeCrumbs(node.ID)
return
} // }}}
func UpdateNode(userID, nodeID, timeOffset int, content string, cryptoKeyID int, markdown bool) (err error) { // {{{
if nodeID == 0 {
return
}
var timezone string
row := service.Db.Conn.QueryRow(`SELECT timezone FROM _webservice.user WHERE id=$1`, userID)
err = row.Scan(&timezone)
if err != nil {
err = werr.Wrap(err).WithCode("002-000F")
return
}
var scannedSchedules, dbSchedules, add, remove []Schedule
scannedSchedules = ScanForSchedules(timezone, content)
for i := range scannedSchedules {
scannedSchedules[i].Node.ID = nodeID
scannedSchedules[i].UserID = userID
}
var tsx *sql.Tx
tsx, err = service.Db.Conn.Begin()
if err != nil {
return
}
dbSchedules, err = RetrieveSchedules(userID, nodeID)
if err != nil {
tsx.Rollback()
return
}
for _, scanned := range scannedSchedules {
found := false
for _, db := range dbSchedules {
if scanned.IsEqual(db) {
found = true
break
}
}
if !found {
add = append(add, scanned)
}
}
for _, db := range dbSchedules {
found := false
for _, scanned := range scannedSchedules {
if db.IsEqual(scanned) {
found = true
break
}
}
if !found {
remove = append(remove, db)
}
}
for _, event := range remove {
err = event.Delete(tsx)
if err != nil {
tsx.Rollback()
return
}
}
for _, event := range add {
err = event.Insert(tsx)
if err != nil {
tsx.Rollback()
return
}
}
if cryptoKeyID > 0 {
_, err = tsx.Exec(`
UPDATE node
SET
content = '',
content_encrypted = $1,
markdown = $5,
crypto_key_id = CASE $2::int
WHEN 0 THEN NULL
ELSE $2
END
WHERE
id = $3 AND
user_id = $4
`,
content,
cryptoKeyID,
nodeID,
userID,
markdown,
)
} else {
_, err = tsx.Exec(`
UPDATE node
SET
content = $1,
content_encrypted = '',
markdown = $5,
crypto_key_id = CASE $2::int
WHEN 0 THEN NULL
ELSE $2
END
WHERE
id = $3 AND
user_id = $4
`,
content,
cryptoKeyID,
nodeID,
userID,
markdown,
)
}
if err != nil {
tsx.Rollback()
return
}
err = tsx.Commit()
return
} // }}}
func RenameNode(userID, nodeID int, name string) (err error) { // {{{
_, err = service.Db.Conn.Exec(`
UPDATE node SET name = $1 WHERE user_id = $2 AND id = $3
`,
name,
userID,
nodeID,
)
return
} // }}}
func DeleteNode(userID, nodeID int) (err error) { // {{{
_, err = service.Db.Conn.Exec(`
WITH RECURSIVE nodetree AS (
SELECT
id, parent_id
FROM node
WHERE
user_id = $1 AND id = $2
UNION
SELECT
n.id, n.parent_id
FROM node n
INNER JOIN nodetree nt ON n.parent_id = nt.id
)
DELETE FROM node WHERE id IN (
SELECT id FROM nodetree
)`,
userID,
nodeID,
)
return
} // }}}
func SearchNodes(userID int, search string) (nodes []Node, err error) { // {{{
nodes = []Node{}
var rows *sqlx.Rows
rows, err = service.Db.Conn.Queryx(`
SELECT
id,
user_id,
COALESCE(parent_id, 0) AS parent_id,
name,
updated
FROM node
WHERE
user_id = $1 AND
crypto_key_id IS NULL AND
(
content ~* $2 OR
name ~* $2
)
ORDER BY
updated DESC
`, userID, search)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
node := Node{}
node.Complete = false
if err = rows.StructScan(&node); err != nil {
return
}
nodes = append(nodes, node)
}
return
} // }}}
func ChecklistGroupAdd(userID, nodeID int, label string) (item ChecklistGroup, err error) { // {{{
var row *sqlx.Row
row = service.Db.Conn.QueryRowx(
`
INSERT INTO checklist_group(node_id, "order", "label")
(
SELECT
$1,
MAX("order")+1 AS "order",
$2 AS "label"
FROM checklist_group g
INNER JOIN node n ON g.node_id = n.id
WHERE
user_id = $3 AND
node_id = $1
GROUP BY
node_id
) UNION (
SELECT
node.id AS node_id,
0 AS "order",
$2 AS "label"
FROM node
WHERE
user_id = $3 AND
node.id = $1
)
ORDER BY "order" DESC
LIMIT 1
RETURNING
*
`,
nodeID,
label,
userID,
)
err = row.StructScan(&item)
return
} // }}}
func ChecklistGroupLabel(userID, checklistGroupID int, label string) (item ChecklistItem, err error) { // {{{
_, err = service.Db.Conn.Exec(
`
UPDATE checklist_group g
SET label = $3
FROM node n
WHERE
g.node_id = n.id AND
n.user_id = $1 AND
g.id = $2;
`,
userID,
checklistGroupID,
label,
)
return
} // }}}
func ChecklistGroupItemAdd(userID, checklistGroupID int, label string) (item ChecklistItem, err error) { // {{{
var row *sqlx.Row
row = service.Db.Conn.QueryRowx(
`
INSERT INTO checklist_item(checklist_group_id, "order", "label")
(
SELECT
checklist_group_id,
MAX("order")+1 AS "order",
$1 AS "label"
FROM checklist_item
WHERE
checklist_group_id = $2
GROUP BY
checklist_group_id
) UNION (
SELECT $2 AS checklist_group_id, 0 AS "order", $1 AS "label"
)
ORDER BY "order" DESC
LIMIT 1
RETURNING
*
`,
label,
checklistGroupID,
)
err = row.StructScan(&item)
return
} // }}}
func ChecklistGroupDelete(userID, checklistGroupID int) (err error) { // {{{
_, err = service.Db.Conn.Exec(
`
DELETE
FROM checklist_group g
USING
node n
WHERE
g.id = $2 AND
g.node_id = n.id AND
n.user_id = $1
`,
userID,
checklistGroupID,
)
return
} // }}}
func ChecklistItemState(userID, checklistItemID int, state bool) (err error) { // {{{
_, err = service.Db.Conn.Exec(
`
UPDATE checklist_item i
SET checked = $3
FROM checklist_group g, node n
WHERE
i.checklist_group_id = g.id AND
g.node_id = n.id AND
n.user_id = $1 AND
i.id = $2;
`,
userID,
checklistItemID,
state,
)
return
} // }}}
func ChecklistItemLabel(userID, checklistItemID int, label string) (err error) { // {{{
_, err = service.Db.Conn.Exec(
`
UPDATE checklist_item i
SET label = $3
FROM checklist_group g, node n
WHERE
i.checklist_group_id = g.id AND
g.node_id = n.id AND
n.user_id = $1 AND
i.id = $2;
`,
userID,
checklistItemID,
label,
)
return
} // }}}
func ChecklistItemDelete(userID, checklistItemID int) (err error) { // {{{
_, err = service.Db.Conn.Exec(
`
DELETE
FROM checklist_item i
USING
checklist_group g,
node n
WHERE
i.id = $2 AND
i.checklist_group_id = g.id AND
g.node_id = n.id AND
n.user_id = $1
`,
userID,
checklistItemID,
)
return
} // }}}
func ChecklistItemMove(userID, checklistItemID, afterItemID int) (err error) { // {{{
_, err = service.Db.Conn.Exec(
`
WITH
"to" AS (
SELECT
i.checklist_group_id AS group_id,
i."order"
FROM checklist_item i
INNER JOIN checklist_group g ON i.checklist_group_id = g.id
INNER JOIN node n ON g.node_id = n.id
WHERE
n.user_id = $1 AND
i.id = $3
),
update_order AS (
UPDATE checklist_item
SET
"order" =
CASE
WHEN checklist_item."order" <= "to"."order" THEN checklist_item."order" - 1
WHEN checklist_item."order" > "to"."order" THEN checklist_item."order" + 1
END
FROM "to"
WHERE
checklist_item.id != $2 AND
checklist_item.checklist_group_id = "to".group_id
)
UPDATE checklist_item
SET
checklist_group_id = "to".group_id,
"order" = "to"."order"
FROM "to"
WHERE
checklist_item.id = $2
`,
userID,
checklistItemID,
afterItemID,
)
return
} // }}}
*/

41
request_response.go Normal file
View File

@ -0,0 +1,41 @@
package main
import (
// External
werr "git.gibonuddevalla.se/go/wrappederror"
// Standard
"encoding/json"
"io"
"net/http"
)
type Request struct {
ID string
}
func responseError(w http.ResponseWriter, err error) {
res := map[string]interface{}{
"OK": false,
"Error": err.Error(),
}
resJSON, _ := json.Marshal(res)
werr.Wrap(err).Log()
w.Header().Add("Content-Type", "application/json")
w.Write(resJSON)
}
func responseData(w http.ResponseWriter, data interface{}) {
resJSON, _ := json.Marshal(data)
w.Header().Add("Content-Type", "application/json")
w.Write(resJSON)
}
func parseRequest(r *http.Request, data interface{}) (err error) {
body, _ := io.ReadAll(r.Body)
defer r.Body.Close()
err = json.Unmarshal(body, data)
return
}

4
static/js/app.mjs
View File

@ -23,7 +23,7 @@ export class Notes2 {
this.startNode = new Node(this, nodeID ? parseInt(nodeID) : 0) this.startNode = new Node(this, nodeID ? parseInt(nodeID) : 0)
}//}}} }//}}}
treeGet() { treeGet() {//{{{
const req = {} const req = {}
API.query('POST', '/node/tree', req) API.query('POST', '/node/tree', req)
.then(response => { .then(response => {
@ -31,7 +31,7 @@ export class Notes2 {
nodeStore.add(response.Nodes) nodeStore.add(response.Nodes)
}) })
.catch(e => console.log(e.type, e.error)) .catch(e => console.log(e.type, e.error))
} }//}}}
} }
class Tree extends Component { class Tree extends Component {

39
static/js/node_store.mjs
View File

@ -1,3 +1,5 @@
import { API } from 'api'
export class NodeStore { export class NodeStore {
constructor() { constructor() {
if (!('indexedDB' in window)) { if (!('indexedDB' in window)) {
@ -6,7 +8,6 @@ export class NodeStore {
this.db = null this.db = null
} }
async initializeDB() { async initializeDB() {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
let req = indexedDB.open('notes', 2) let req = indexedDB.open('notes', 2)
@ -60,7 +61,7 @@ export class NodeStore {
} }
records.forEach(record => { records.forEach(record => {
let addReq = nodeStore.add(record) let addReq = nodeStore.put(record)
addReq.onsuccess = (event) => { addReq.onsuccess = (event) => {
console.log('OK!', record.ID, record.Name) console.log('OK!', record.ID, record.Name)
} }
@ -74,14 +75,42 @@ export class NodeStore {
} }
}) })
} }
async get(id) {
return new Promise((resolve, reject) => {
// Node is always returned from IndexedDB if existing there.
// Otherwise an attempt to get it from backend is executed.
const trx = this.db.transaction('nodes', 'readonly')
const nodeStore = trx.objectStore('nodes')
const getRequest = nodeStore.get(id)
getRequest.onsuccess = (event) => {
// Node found in IndexedDB and returned.
if (event.target.result !== undefined) {
resolve(event.target.result)
return
}
// Node not found and a request to the backend is made.
API.query("POST", `/node/retrieve/${id}`, {})
.then(res => {
const trx = this.db.transaction('nodes', 'readwrite')
const nodeStore = trx.objectStore('nodes')
const putRequest = nodeStore.put(res.Node)
putRequest.onsuccess = () => resolve(res.Node)
putRequest.onerror = (event) => {
reject(event.target.error)
}
})
.catch(e => reject(e))
}
})
}
async getTreeNodes() { async getTreeNodes() {
return new Promise((resolve, reject)=>{ return new Promise((resolve, reject) => {
let trx = this.db.transaction('nodes', 'readonly') let trx = this.db.transaction('nodes', 'readonly')
let nodeStore = trx.objectStore('nodes') let nodeStore = trx.objectStore('nodes')
let req = nodeStore.getAll() let req = nodeStore.getAll()
req.onsuccess = (event)=>resolve(event.target.result) req.onsuccess = (event) => resolve(event.target.result)
req.onerror = (event)=>reject(event.target.error) req.onerror = (event) => reject(event.target.error)
}) })
} }
} }

23
static/service_worker.js
View File

@ -1,7 +1,28 @@
const CACHE_NAME = 'notes2-{{ .VERSION }}' const CACHE_NAME = 'notes2-{{ .VERSION }}'
const CACHED_ASSETS = [ const CACHED_ASSETS = [
'/', '/',
'/notes2',
'/css/{{ .VERSION }}/main.css',
'/css/{{ .VERSION }}/notes2.css',
'/js/{{ .VERSION }}/lib/preact/preact.mjs',
'/js/{{ .VERSION }}/lib/htm/htm.mjs',
'/js/{{ .VERSION }}/lib/preact/devtools.mjs',
'/js/{{ .VERSION }}/lib/signals/signals.mjs',
'/js/{{ .VERSION }}/lib/signals/signals-core.mjs',
'/js/{{ .VERSION }}/lib/preact/hooks.mjs',
'/js/{{ .VERSION }}/api.mjs',
'/js/{{ .VERSION }}/node_store.mjs',
'/js/{{ .VERSION }}/app.mjs', '/js/{{ .VERSION }}/app.mjs',
'/js/{{ .VERSION }}/key.mjs',
'/js/{{ .VERSION }}/crypto.mjs',
'/js/{{ .VERSION }}/checklist.mjs',
'/images/{{ .VERSION }}/leaf.svg',
'/images/{{ .VERSION }}/collapsed.svg',
'/images/{{ .VERSION }}/expanded.svg',
] ]
async function precache() { async function precache() {
@ -40,6 +61,6 @@ self.addEventListener('activate', event => {
}) })
self.addEventListener('fetch', event => { self.addEventListener('fetch', event => {
//console.log('SERVICE WORKER: fetch') console.log('SERVICE WORKER: fetch')
event.respondWith(fetchAsset(event)) event.respondWith(fetchAsset(event))
}) })