gosora/query_gen/lib/pgsql.go
Azareal a5f5f4af7e Added the Page Manager for faster and easier custom page creation.
Added the PageStore.

Renamed account_own_edit.html to account_own_edit_password.html
Renamed custom-page.html to custom_page.html
Renamed the pre_render_custom_page hook to pre_render_tmpl_page.
Added a new pre_render_custom_page hook, not to be confused with the previous one.
Renamed the pre_render_account_own_edit_critical hook to pre_render_account_own_edit_password.
Moved the report forum ID into a constant.
Renamed todaysReportCount to topicsTopicCountByForum and made it more generic.
Renamed panel-menu.html to panel_menu.html
Renamed panel-inner-menu.html to panel_inner_menu.html
Removed an irrelevant editable_parent in a no results row.
Fixed the profile page loading the wrong profile.css
Fixed a bug where the last poster avatar would break on the forum page.
Added the AddNotice method to *Header.
Greatly simplified many of the page struct definitions.
Added the ErrorPage page struct and refactored the error pages to use it.
Added the BasePanelPage page struct and refactored the panel page structs to use it.
Tweaked the DefaultHeader function to set the user on the spot rather than after the fact.
Simplified AccountEditAvatarSubmit into a redirect.
Add the addElement closure in the control panel dashboard to reduce the amount of complexity.
Tweaked LogWarning to better handle nils.

Added the account_username phrase.
Added the account_avatar phrase.
Added the account_email phrase.
Added the panel_pages phrase.
Added the panel_pages_edit phrase.
Added the panel_page_created phrase.
Added the panel_page_updated phrase.
Added the panel_page_deleted phrase.
Added the account_menu_security phrase.
Added the panel_menu_pages phrase.
Added the panel_pages_head phrase.
Added the panel_pages_edit_button_aria phrase.
Added the panel_pages_delete_button_aria phrase.
Added the panel_pages_no_pages phrase.
Added the panel_pages_create_head phrase.
Added the panel_pages_create_name phrase.
Added the panel_pages_create_name_placeholder phrase.
Added the panel_pages_create_title phrase.
Added the panel_pages_create_title_placeholder phrase.
Added the panel_pages_create_body_placeholder phrase.
Added the panel_pages_create_submit_button phrase.
Added the panel_pages_edit_head phrase.
Added the panel_pages_name phrase.
Added the panel_pages_title phrase.
Added the panel_pages_edit_update_button phrase.

Began work on two-factor authentication.
Made more progress with the Nox Theme.
2018-06-06 10:21:22 +10:00

472 lines
13 KiB
Go

/* WIP Under Really Heavy Construction */
package qgen
import (
"database/sql"
"errors"
"strconv"
"strings"
)
func init() {
Registry = append(Registry,
&PgsqlAdapter{Name: "pgsql", Buffer: make(map[string]DBStmt)},
)
}
type PgsqlAdapter struct {
Name string // ? - Do we really need this? Can't we hard-code this?
Buffer map[string]DBStmt
BufferOrder []string // Map iteration order is random, so we need this to track the order, so we don't get huge diffs every commit
}
// GetName gives you the name of the database adapter. In this case, it's pgsql
func (adapter *PgsqlAdapter) GetName() string {
return adapter.Name
}
func (adapter *PgsqlAdapter) GetStmt(name string) DBStmt {
return adapter.Buffer[name]
}
func (adapter *PgsqlAdapter) GetStmts() map[string]DBStmt {
return adapter.Buffer
}
// TODO: Implement this
func (adapter *PgsqlAdapter) BuildConn(config map[string]string) (*sql.DB, error) {
return nil, nil
}
func (adapter *PgsqlAdapter) DbVersion() string {
return "SELECT version()"
}
func (adapter *PgsqlAdapter) DropTable(name string, table string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
querystr := "DROP TABLE IF EXISTS \"" + table + "\";"
adapter.pushStatement(name, "drop-table", querystr)
return querystr, nil
}
// TODO: Implement this
// We may need to change the CreateTable API to better suit PGSQL and the other database drivers which are coming up
func (adapter *PgsqlAdapter) CreateTable(name string, table string, charset string, collation string, columns []DBTableColumn, keys []DBTableKey) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if len(columns) == 0 {
return "", errors.New("You can't have a table with no columns")
}
var querystr = "CREATE TABLE `" + table + "` ("
for _, column := range columns {
if column.AutoIncrement {
column.Type = "serial"
} else if column.Type == "createdAt" {
column.Type = "timestamp"
} else if column.Type == "datetime" {
column.Type = "timestamp"
}
var size string
if column.Size > 0 {
size = " (" + strconv.Itoa(column.Size) + ")"
}
var end string
if column.Default != "" {
end = " DEFAULT "
if adapter.stringyType(column.Type) && column.Default != "''" {
end += "'" + column.Default + "'"
} else {
end += column.Default
}
}
if !column.Null {
end += " not null"
}
querystr += "\n\t`" + column.Name + "` " + column.Type + size + end + ","
}
if len(keys) > 0 {
for _, key := range keys {
querystr += "\n\t" + key.Type
if key.Type != "unique" {
querystr += " key"
}
querystr += "("
for _, column := range strings.Split(key.Columns, ",") {
querystr += "`" + column + "`,"
}
querystr = querystr[0:len(querystr)-1] + "),"
}
}
querystr = querystr[0:len(querystr)-1] + "\n);"
adapter.pushStatement(name, "create-table", querystr)
return querystr, nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) AddColumn(name string, table string, column DBTableColumn) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
return "", nil
}
// TODO: Test this
// ! We need to get the last ID out of this somehow, maybe add returning to every query? Might require some sort of wrapper over the sql statements
func (adapter *PgsqlAdapter) SimpleInsert(name string, table string, columns string, fields string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
var querystr = "INSERT INTO \"" + table + "\"("
if columns != "" {
querystr += adapter.buildColumns(columns) + ") VALUES ("
for _, field := range processFields(fields) {
nameLen := len(field.Name)
if field.Name[0] == '"' && field.Name[nameLen-1] == '"' && nameLen >= 3 {
field.Name = "'" + field.Name[1:nameLen-1] + "'"
}
if field.Name[0] == '\'' && field.Name[nameLen-1] == '\'' && nameLen >= 3 {
field.Name = "'" + strings.Replace(field.Name[1:nameLen-1], "'", "''", -1) + "'"
}
querystr += field.Name + ","
}
querystr = querystr[0 : len(querystr)-1]
} else {
querystr += ") VALUES ("
}
querystr += ")"
adapter.pushStatement(name, "insert", querystr)
return querystr, nil
}
func (adapter *PgsqlAdapter) buildColumns(columns string) (querystr string) {
if columns == "" {
return ""
}
// Escape the column names, just in case we've used a reserved keyword
for _, column := range processColumns(columns) {
if column.Type == "function" {
querystr += column.Left + ","
} else {
querystr += "\"" + column.Left + "\","
}
}
return querystr[0 : len(querystr)-1]
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleReplace(name string, table string, columns string, fields string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if len(columns) == 0 {
return "", errors.New("No columns found for SimpleInsert")
}
if len(fields) == 0 {
return "", errors.New("No input data found for SimpleInsert")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleUpsert(name string, table string, columns string, fields string, where string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if len(columns) == 0 {
return "", errors.New("No columns found for SimpleInsert")
}
if len(fields) == 0 {
return "", errors.New("No input data found for SimpleInsert")
}
return "", nil
}
// TODO: Implemented, but we need CreateTable and a better installer to *test* it
func (adapter *PgsqlAdapter) SimpleUpdate(name string, table string, set string, where string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if set == "" {
return "", errors.New("You need to set data in this update statement")
}
var querystr = "UPDATE `" + table + "` SET "
for _, item := range processSet(set) {
querystr += "`" + item.Column + "` ="
for _, token := range item.Expr {
switch token.Type {
case "function":
// TODO: Write a more sophisticated function parser on the utils side.
if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" {
token.Contents = "LOCALTIMESTAMP()"
}
querystr += " " + token.Contents
case "operator", "number", "substitute", "or":
querystr += " " + token.Contents
case "column":
querystr += " `" + token.Contents + "`"
case "string":
querystr += " '" + token.Contents + "'"
}
}
querystr += ","
}
// Remove the trailing comma
querystr = querystr[0 : len(querystr)-1]
// Add support for BETWEEN x.x
if len(where) != 0 {
querystr += " WHERE"
for _, loc := range processWhere(where) {
for _, token := range loc.Expr {
switch token.Type {
case "function":
// TODO: Write a more sophisticated function parser on the utils side. What's the situation in regards to case sensitivity?
if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" {
token.Contents = "LOCALTIMESTAMP()"
}
querystr += " " + token.Contents
case "operator", "number", "substitute", "or":
querystr += " " + token.Contents
case "column":
querystr += " `" + token.Contents + "`"
case "string":
querystr += " '" + token.Contents + "'"
default:
panic("This token doesn't exist o_o")
}
}
querystr += " AND"
}
querystr = querystr[0 : len(querystr)-4]
}
adapter.pushStatement(name, "update", querystr)
return querystr, nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleDelete(name string, table string, where string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if where == "" {
return "", errors.New("You need to specify what data you want to delete")
}
return "", nil
}
// TODO: Implement this
// We don't want to accidentally wipe tables, so we'll have a separate method for purging tables instead
func (adapter *PgsqlAdapter) Purge(name string, table string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleSelect(name string, table string, columns string, where string, orderby string, limit string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
if len(columns) == 0 {
return "", errors.New("No columns found for SimpleSelect")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) ComplexSelect(prebuilder *selectPrebuilder) (string, error) {
if prebuilder.name == "" {
return "", errors.New("You need a name for this statement")
}
if prebuilder.table == "" {
return "", errors.New("You need a name for this table")
}
if len(prebuilder.columns) == 0 {
return "", errors.New("No columns found for ComplexSelect")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleLeftJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table1 == "" {
return "", errors.New("You need a name for the left table")
}
if table2 == "" {
return "", errors.New("You need a name for the right table")
}
if len(columns) == 0 {
return "", errors.New("No columns found for SimpleLeftJoin")
}
if len(joiners) == 0 {
return "", errors.New("No joiners found for SimpleLeftJoin")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInnerJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table1 == "" {
return "", errors.New("You need a name for the left table")
}
if table2 == "" {
return "", errors.New("You need a name for the right table")
}
if len(columns) == 0 {
return "", errors.New("No columns found for SimpleInnerJoin")
}
if len(joiners) == 0 {
return "", errors.New("No joiners found for SimpleInnerJoin")
}
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertSelect(name string, ins DBInsert, sel DBSelect) (string, error) {
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertLeftJoin(name string, ins DBInsert, sel DBJoin) (string, error) {
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertInnerJoin(name string, ins DBInsert, sel DBJoin) (string, error) {
return "", nil
}
// TODO: Implement this
func (adapter *PgsqlAdapter) SimpleCount(name string, table string, where string, limit string) (string, error) {
if name == "" {
return "", errors.New("You need a name for this statement")
}
if table == "" {
return "", errors.New("You need a name for this table")
}
return "", nil
}
func (adapter *PgsqlAdapter) Builder() *prebuilder {
return &prebuilder{adapter}
}
func (adapter *PgsqlAdapter) Write() error {
var stmts, body string
for _, name := range adapter.BufferOrder {
if name[0] == '_' {
continue
}
stmt := adapter.Buffer[name]
// TODO: Add support for create-table? Table creation might be a little complex for Go to do outside a SQL file :(
if stmt.Type != "create-table" {
stmts += "\t" + name + " *sql.Stmt\n"
body += `
common.DebugLog("Preparing ` + name + ` statement.")
stmts.` + name + `, err = db.Prepare("` + stmt.Contents + `")
if err != nil {
log.Print("Error in ` + name + ` statement.")
return err
}
`
}
}
// TODO: Move these custom queries out of this file
out := `// +build pgsql
// This file was generated by Gosora's Query Generator. Please try to avoid modifying this file, as it might change at any time.
package main
import "log"
import "database/sql"
import "./common"
// nolint
type Stmts struct {
` + stmts + `
getActivityFeedByWatcher *sql.Stmt
getActivityCountByWatcher *sql.Stmt
todaysPostCount *sql.Stmt
todaysTopicCount *sql.Stmt
todaysTopicCountByForum *sql.Stmt
todaysNewUserCount *sql.Stmt
Mocks bool
}
// nolint
func _gen_pgsql() (err error) {
common.DebugLog("Building the generated statements")
` + body + `
return nil
}
`
return writeFile("./gen_pgsql.go", out)
}
// Internal methods, not exposed in the interface
func (adapter *PgsqlAdapter) pushStatement(name string, stype string, querystr string) {
if name[0] == '_' {
return
}
adapter.Buffer[name] = DBStmt{querystr, stype}
adapter.BufferOrder = append(adapter.BufferOrder, name)
}
func (adapter *PgsqlAdapter) stringyType(ctype string) bool {
ctype = strings.ToLower(ctype)
return ctype == "char" || ctype == "varchar" || ctype == "timestamp" || ctype == "text"
}