func hasError(err error, sql string) bool {
if err != nil {
switch err := err.(type) {
case *mysql.MySQLError:
if err.Number == NoSuchTable {
return true
}
util.CheckErrFatal(err, sql)
default:
util.CheckErrFatal(err, sql)
}
}
return false
}
func Connect(driver, connection, prefix string, verbose bool) Database {
db, err := sql.Open(driver, connection+parameters)
util.CheckErrFatal(err, "Opening", connection)
//db.SetMaxIdleConns(30)
database := &gorp.DbMap{Db: db, Dialect: chooseDialect(driver)}
controlTrace(verbose, database)
return Database{db, database, prefix}
}
func writeFile(fileName string, node *model.JoinedNodeDataBody, alias string, tags []string, menus []*model.JoinedMenu, emvideos []model.Emvideo) {
file, err := os.Create(fileName)
util.CheckErrFatal(err, "create", fileName)
w := bufio.NewWriter(file)
writeFrontMatter(w, node, alias, tags, menus)
writeContent(w, node, emvideos)
w.Flush()
file.Close()
}
func (db Database) JoinedNodeFields(offset, count int) []*JoinedNodeDataBody {
sql := `select
n.Nid, n.Vid, n.Type, n.Title, n.status as Published, n.Created, n.Changed, n.Comment,
n.Promote, n.Sticky, nr.Body as BodyValue, nr.Teaser as BodySummary, nr.Format as BodyFormat
from %snode n inner join %snode_revisions nr on n.nid = nr.nid
and n.vid = nr.vid limit %d,%d`
s2 := fmt.Sprintf(sql, db.Prefix, db.Prefix, offset, count)
list, err := db.DbMap.Select(JoinedNodeDataBody{}, s2)
util.CheckErrFatal(err, s2)
return copyOutJoinedNodeDataBody(list)
}
func (db Database) JoinedTaxonomyTerms(nid int32) []*JoinedTaxonomyTerm {
sql := `select idx.Nid, t.Name, v.Name as Vocab
from %sterm_node as idx
inner join %sterm_data as t on idx.tid = t.tid
join %svocabulary as v on t.vid = v.vid
where idx.Nid = ?`
s2 := fmt.Sprintf(sql, db.Prefix, db.Prefix, db.Prefix)
list, err := db.DbMap.Select(JoinedTaxonomyTerm{}, s2, nid)
util.CheckErrFatal(err, s2)
return copyOutTaxonomyTerms(list)
}
func (db Database) MenusForMlid(mlid int32) []*JoinedMenu {
sql := `select menu_name as MenuName,
mlid, plid, link_path as LinkPath, link_title as LinkTitle,
module, external, has_children as HasChildren, expanded,
weight, depth as TreeDepth, customized
from %smenu_links
where hidden = 0 and mlid = ?`
s2 := fmt.Sprintf(sql, db.Prefix)
list, err := db.DbMap.Select(Menu{}, s2, mlid)
util.CheckErrFatal(err, s2)
return convertMenu(copyOutMenu(list))
}
func (db Database) JoinedMenusForPath(path string) []*JoinedMenu {
sql := `select c.menu_name as MenuName, c.title,
m.mlid, m.plid, m.link_path as LinkPath, m.link_title as LinkTitle,
m.module, m.external, m.has_children as HasChildren, m.expanded,
m.weight, m.depth as TreeDepth, m.customized
from %smenu_links as m
join %smenu_custom as c on m.menu_name = c.menu_name
where m.hidden = 0 and m.link_path = ?`
s2 := fmt.Sprintf(sql, db.Prefix, db.Prefix)
list, err := db.DbMap.Select(JoinedMenu{}, s2, path)
util.CheckErrFatal(err, s2)
return copyOutJoinedMenu(list)
}
func (db Database) GetUrlAlias(nid int32) string {
sql := `select pid, src as Source, dst as Alias, language from %surl_alias where src = ?`
s2 := fmt.Sprintf(sql, db.Prefix)
source := fmt.Sprintf("node/%d", nid)
list, err := db.DbMap.Select(UrlAlias{}, s2, source)
util.CheckErrFatal(err, s2)
if len(list) > 1 {
util.Fatal("Expected only one alias for %s but got %d.\n%+v\n", source, len(list), list)
}
if len(list) == 1 {
return list[0].(*UrlAlias).Alias
}
return source
}
func processNode(node *model.JoinedNodeDataBody, alias string, terms []*model.JoinedTaxonomyTerm, menus []*model.JoinedMenu, emvideos []model.Emvideo) {
fileName := fmt.Sprintf("content/%s.md", alias)
dir := path.Dir(fileName)
if *verbose {
fmt.Printf("%s %s '%s' pub=%v\n", node.Type, alias, node.Title, node.Published)
fmt.Printf("mkdir %s\n", dir)
// fmt.Printf("%+v\n", node)
}
err := os.MkdirAll(dir, os.FileMode(0755))
util.CheckErrFatal(err, "mkdir", dir)
tags := flattenTaxonomies(terms)
writeFile(fileName, node, alias, tags, menus, emvideos)
}
func (db Database) AllMenus() []*MenuCustom {
sql := "select * from " + db.Prefix + "menu_custom"
list, err := db.DbMap.Select(MenuCustom{}, sql)
util.CheckErrFatal(err, sql)
return copyOutMenuCustoms(list)
}
func AllNodes(dbMap *gorp.DbMap, prefix string) []*Node {
sql := "select nid,vid,type,language,title,uid,status,created,changed,comment,promote,sticky,tnid,translate from " + prefix + "node"
list, err := dbMap.Select(Node{}, sql)
util.CheckErrFatal(err, sql)
return copyOutNode(list)
}
func (db Database) AllNodeTypes() []*NodeType {
sql := "select type, name, module from " + db.Prefix + "node_type"
list, err := db.DbMap.Select(NodeType{}, sql)
util.CheckErrFatal(err, sql)
return copyOutNodeType(list)
}
func (db Database) AllVocabularies() []*Vocabulary {
sql := "select vid,name from " + db.Prefix + "vocabulary"
list, err := db.DbMap.Select(Vocabulary{}, sql)
util.CheckErrFatal(err, sql)
return copyOutVocabularies(list)
}
func (db Database) CCKDataForNode(node *JoinedNodeDataBody, fields []*CCKFieldType) (map[CCKField]interface{}, error) {
results := make(map[CCKField]interface{})
var err error
selectFields := make([]CCKField, 0, 100)
_sql := "SELECT "
first := true
for _, cft := range fields {
fmt.Printf("looping through dbcolumns for %s\n", cft.Name)
for k, v := range cft.DBColumns {
fmt.Printf("%#v = %#v\n", k, v)
key := k.(string)
dbColumn := v.(map[interface{}]interface{})
typ, ok := dbColumn["type"]
if ok {
cckField := CCKField{cft.Name, key, typ.(string)}
if !first {
_sql = _sql + ", "
}
_sql = _sql + cft.Name + "_" + key
selectFields = append(selectFields, cckField)
first = false
}
}
}
if first {
return results, nil
}
_sql += " FROM %scontent_type_%s WHERE vid = %d and nid = %d"
query := fmt.Sprintf(_sql, db.Prefix, node.Type, node.Vid, node.Nid)
rows, err := db.Db.Query(query)
util.CheckErrFatal(err, "Selecting CCK field values for node.", node.Nid)
defer rows.Close()
columnNames, err := rows.Columns()
if err != nil {
util.Fatal("Error getting column names: %v", err) // or whatever error handling is appropriate
}
if len(columnNames) != len(selectFields) {
util.Fatal("column names length and select fields length do not match!")
}
columns := make([]interface{}, len(columnNames))
columnPointers := make([]interface{}, len(columnNames))
for i := 0; i < len(columnNames); i++ {
columnPointers[i] = &columns[i]
}
if rows.Next() {
if err := rows.Scan(columnPointers...); err != nil {
util.Fatal("Error reading a row: %v", err)
}
for i, colName := range selectFields {
switch colName.Type {
case "text", "varchar":
switch cv := columns[i].(type) {
case []byte:
results[colName] = string(cv)
default:
if cv != nil {
results[colName] = cv.(string)
}
}
default:
results[colName] = columns[i]
}
}
}
return results, nil
}
func main() {
flag.Parse()
if *version {
fmt.Fprintf(os.Stderr, "Version 0.1\n")
os.Exit(0)
}
if *dbName == "" {
flag.Usage()
os.Exit(1)
}
if *user == "" {
*user = *dbName
}
if *pass == "" {
fmt.Printf("Password: "******"content") {
fmt.Fprintln(os.Stderr, "There is no content directory here. Did you mean to try somewhere else?")
os.Exit(2)
}
// username:password@protocol(address)/dbname?param=value
db := model.Connect(*driver, *user+":"+*pass+"@tcp("+*host+")/"+*dbName, *prefix, *verbose)
cckFieldTypes, err := db.CCKFields()
if err != nil && *emvideoField != "" {
util.Fatal("Unable to retrieve CCK Field metadata: %s", err.Error())
}
allBookPagesAsMap := make(map[int32]*model.BookPage) //db.AllBookPagesAsMap()
// fmt.Println("\nnode types:")
// spew.Dump(db.AllNodeTypes())
// fmt.Println("\nbooks:")
// spew.Dump(db.AllBooksAsMap())
// fmt.Println("\nbook pages:")
// spew.Dump(allBookPagesAsMap)
// fmt.Println("\nmenus:")
// spew.Dump(db.AllMenus())
processVocabs(db)
// for _, node := range model.AllNodes(db, *prefix) {
// fmt.Printf("%v\n", node)
// }
offset := 0
nodes := db.JoinedNodeFields(offset, 10)
for len(nodes) > 0 {
for _, node := range nodes {
alias := db.GetUrlAlias(node.Nid)
terms := db.JoinedTaxonomyTerms(node.Nid)
menus := db.JoinedMenusForPath(fmt.Sprintf("node/%d", node.Nid))
emvideos := make([]model.Emvideo, 0, 10)
if *emvideoField != "" {
cckData, err := db.CCKDataForNode(node, cckFieldTypes[node.Type])
if err != nil {
util.Fatal("Unable to get CCK field data for node: %s", err.Error())
}
for _, cckFieldType := range cckFieldTypes[node.Type] {
if cckFieldType.Name == *emvideoField {
video, err := model.EmvideoForNodeField(cckFieldType, cckData)
if err == nil {
emvideos = append(emvideos, *video)
}
}
}
}
// hasMenuOrBook := false
fmt.Printf("node/%d %s %s\n", node.Nid, alias, node.Title)
if bookPage, exists := allBookPagesAsMap[node.Nid]; exists {
// spew.Printf(" book %v\n", bookPage)
if len(menus) == 0 {
menus = db.MenusForMlid(bookPage.Mlid)
}
// hasMenuOrBook = true
}
if len(menus) > 0 {
// spew.Printf(" menu %v\n", menus)
// hasMenuOrBook = true
}
// if !hasMenuOrBook {
// fmt.Printf(" --\n")
// }
processNode(node, alias, terms, menus, emvideos)
}
offset += len(nodes)
nodes = db.JoinedNodeFields(offset, 10)
}
fmt.Printf("Total %d nodes.\n", offset)
}
