mirror of https://github.com/mattn/go-sqlite3.git
112 lines
2.2 KiB
Go
112 lines
2.2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"github.com/mattn/go-sqlite3"
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)
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type GithubRepo struct {
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ID int `json:"id"`
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FullName string `json:"full_name"`
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Description string `json:"description"`
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HtmlURL string `json:"html_url"`
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}
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type githubModule struct {
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}
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func (m *githubModule) Create(c *sqlite3.SQLiteConn, args []string) (sqlite3.VTab, error) {
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err := c.DeclareVTab(fmt.Sprintf(`
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CREATE TABLE %s (
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id INT,
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full_name TEXT,
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description TEXT,
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html_url TEXT
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)`, args[0]))
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if err != nil {
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return nil, err
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}
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return &ghRepoTable{}, nil
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}
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func (m *githubModule) Connect(c *sqlite3.SQLiteConn, args []string) (sqlite3.VTab, error) {
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return m.Create(c, args)
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}
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func (m *githubModule) DestroyModule() {}
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type ghRepoTable struct {
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repos []GithubRepo
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}
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func (v *ghRepoTable) Open() (sqlite3.VTabCursor, error) {
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resp, err := http.Get("https://api.github.com/repositories")
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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repos := make([]GithubRepo, 0)
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if err := json.Unmarshal(body, &repos); err != nil {
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return nil, err
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}
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return &ghRepoCursor{0, repos}, nil
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}
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func (v *ghRepoTable) BestIndex(cst []sqlite3.InfoConstraint, ob []sqlite3.InfoOrderBy) (*sqlite3.IndexResult, error) {
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return &sqlite3.IndexResult{}, nil
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}
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func (v *ghRepoTable) Disconnect() error { return nil }
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func (v *ghRepoTable) Destroy() error { return nil }
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type ghRepoCursor struct {
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index int
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repos []GithubRepo
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}
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func (vc *ghRepoCursor) Column(c *sqlite3.SQLiteContext, col int) error {
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switch col {
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case 0:
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c.ResultInt(vc.repos[vc.index].ID)
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case 1:
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c.ResultText(vc.repos[vc.index].FullName)
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case 2:
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c.ResultText(vc.repos[vc.index].Description)
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case 3:
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c.ResultText(vc.repos[vc.index].HtmlURL)
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}
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return nil
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}
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func (vc *ghRepoCursor) Filter(idxNum int, idxStr string, vals []interface{}) error {
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vc.index = 0
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return nil
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}
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func (vc *ghRepoCursor) Next() error {
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vc.index++
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return nil
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}
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func (vc *ghRepoCursor) EOF() bool {
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return vc.index >= len(vc.repos)
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}
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func (vc *ghRepoCursor) Rowid() (int64, error) {
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return int64(vc.index), nil
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}
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func (vc *ghRepoCursor) Close() error {
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return nil
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}
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