cdb088cec2
This PR adds a [CRAN](https://cran.r-project.org/) package registry. 
90 lines
2.9 KiB
Go
90 lines
2.9 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cran
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import (
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"context"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/packages"
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cran_module "code.gitea.io/gitea/modules/packages/cran"
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"xorm.io/builder"
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)
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type SearchOptions struct {
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OwnerID int64
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FileType string
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Platform string
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RVersion string
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Filename string
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}
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func (opts *SearchOptions) toConds() builder.Cond {
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var cond builder.Cond = builder.Eq{
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"package.type": packages.TypeCran,
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"package.owner_id": opts.OwnerID,
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"package_version.is_internal": false,
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}
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if opts.Filename != "" {
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cond = cond.And(builder.Eq{"package_file.lower_name": strings.ToLower(opts.Filename)})
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}
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var propsCond builder.Cond = builder.Eq{
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"package_property.ref_type": packages.PropertyTypeFile,
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}
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propsCond = propsCond.And(builder.Expr("package_property.ref_id = package_file.id"))
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count := 1
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propsCondBlock := builder.Eq{"package_property.name": cran_module.PropertyType}.And(builder.Eq{"package_property.value": opts.FileType})
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if opts.Platform != "" {
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count += 2
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propsCondBlock = propsCondBlock.
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Or(builder.Eq{"package_property.name": cran_module.PropertyPlatform}.And(builder.Eq{"package_property.value": opts.Platform})).
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Or(builder.Eq{"package_property.name": cran_module.PropertyRVersion}.And(builder.Eq{"package_property.value": opts.RVersion}))
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}
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propsCond = propsCond.And(propsCondBlock)
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cond = cond.And(builder.Eq{
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strconv.Itoa(count): builder.Select("COUNT(*)").Where(propsCond).From("package_property"),
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})
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return cond
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}
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func SearchLatestVersions(ctx context.Context, opts *SearchOptions) ([]*packages.PackageVersion, error) {
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sess := db.GetEngine(ctx).
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Table("package_version").
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Select("package_version.*").
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Join("LEFT", "package_version pv2", builder.Expr("package_version.package_id = pv2.package_id AND pv2.is_internal = ? AND (package_version.created_unix < pv2.created_unix OR (package_version.created_unix = pv2.created_unix AND package_version.id < pv2.id))", false)).
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Join("INNER", "package", "package.id = package_version.package_id").
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Join("INNER", "package_file", "package_file.version_id = package_version.id").
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Where(opts.toConds().And(builder.Expr("pv2.id IS NULL"))).
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Asc("package.name")
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pvs := make([]*packages.PackageVersion, 0, 10)
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return pvs, sess.Find(&pvs)
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}
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func SearchFile(ctx context.Context, opts *SearchOptions) (*packages.PackageFile, error) {
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sess := db.GetEngine(ctx).
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Table("package_version").
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Select("package_file.*").
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Join("INNER", "package", "package.id = package_version.package_id").
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Join("INNER", "package_file", "package_file.version_id = package_version.id").
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Where(opts.toConds())
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pf := &packages.PackageFile{}
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if has, err := sess.Get(pf); err != nil {
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return nil, err
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} else if !has {
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return nil, packages.ErrPackageFileNotExist
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}
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return pf, nil
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}
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