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appview: add repo_languages table #316

merged

opened by

oppi.li 5 months ago targeting master from push-snktzuwttuvu

and db helpers to set and get.

Signed-off-by: oppiliappan me@oppi.li

options

unified split

Changed files

+96

appview

db.go

language.go

+15

appview/db/db.go

···

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       				on delete cascade

     

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       		);

     

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       		create table if not exists migrations (

     

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       			id integer primary key autoincrement,

     

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       			name text unique

···

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       				on delete cascade

     

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       		);

     

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       		create table if not exists repo_languages (

     

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       			-- identifiers

     

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       			id integer primary key autoincrement,

     

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       			-- repo identifiers

     

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       			repo_at text not null,

     

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       			ref text not null,

     

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       			-- language breakdown

     

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       			language text not null,

     

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       			bytes integer not null check (bytes >= 0),

     

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       			unique(repo_at, ref, language)

     

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       		);

     

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       		create table if not exists migrations (

     

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       			id integer primary key autoincrement,

     

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       			name text unique

+81

appview/db/language.go

···

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       package db

     

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       +
       

     

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       import (

     

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       	"fmt"

     

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       	"strings"

     

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       	"github.com/bluesky-social/indigo/atproto/syntax"

     

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       )

     

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       type RepoLanguage struct {

     

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       	Id       int64

     

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       	RepoAt   syntax.ATURI

     

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       	Ref      string

     

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       	Language string

     

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       	Bytes    int64

     

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       }

     

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       func GetRepoLanguages(e Execer, filters ...filter) ([]RepoLanguage, error) {

     

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       	var conditions []string

     

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       	var args []any

     

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       	for _, filter := range filters {

     

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       		conditions = append(conditions, filter.Condition())

     

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       		args = append(args, filter.Arg()...)

     

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       	}

     

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       	whereClause := ""

     

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       	if conditions != nil {

     

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       		whereClause = " where " + strings.Join(conditions, " and ")

     

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       	}

     

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       	query := fmt.Sprintf(

     

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       		`select id, repo_at, ref, language, bytes from repo_languages %s`,

     

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       		whereClause,

     

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       	)

     

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       	rows, err := e.Query(query, args...)

     

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       	if err != nil {

     

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       		return nil, fmt.Errorf("failed to execute query: %w ", err)

     

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       	}

     

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       	var langs []RepoLanguage

     

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       	for rows.Next() {

     

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       		var rl RepoLanguage

     

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       		err := rows.Scan(

     

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       			&rl.Id,

     

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       			&rl.RepoAt,

     

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       			&rl.Ref,

     

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       			&rl.Language,

     

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       			&rl.Bytes,

     

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       		)

     

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       		if err != nil {

     

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       			return nil, fmt.Errorf("failed to scan: %w ", err)

     

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       		}

     

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       		langs = append(langs, rl)

     

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       	}

     

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       	if err = rows.Err(); err != nil {

     

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       		return nil, fmt.Errorf("failed to scan rows: %w ", err)

     

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       	}

     

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       	return langs, nil

     

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       }

     

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       func InsertRepoLanguages(e Execer, langs []RepoLanguage) error {

     

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       	stmt, err := e.Prepare(

     

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       		"insert or replace into repo_languages (repo_at, ref, language, bytes) values (?, ?, ?, ?)",

     

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       	)

     

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       	if err != nil {

     

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       		return err

     

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       	}

     

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       	for _, l := range langs {

     

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       		_, err := stmt.Exec(l.RepoAt, l.Ref, l.Language, l.Bytes)

     

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       		if err != nil {

     

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       			return err

     

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       		}

     

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       	}

     

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       	return nil

     

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       }