golang/api/handlers/entities.go


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package handlers

import (
    "github.com/go-pg/pg"
    "github.com/go-openapi/swag"
    "github.com/go-openapi/runtime/middleware"
    log "github.com/sirupsen/logrus"

	"git.archive.org/bnewbold/fatcat/golang/gen/models"
	"git.archive.org/bnewbold/fatcat/golang/gen/restapi/operations"
)

type CreatorRev struct {
    Id          int64
    ExtraJson   string
    Name        string
    Orcid       string
    tableName struct{} `sql:"creator_rev"`
}

type CreatorIdent struct {
    Id              string
    IsLive          bool
    RevId           int64
    Rev             *CreatorRev
    RedirectId      string
    Redirect        *CreatorIdent
    tableName       struct{} `sql:"creator_ident"`
}

func (ci *CreatorIdent) State() string {
    if ci.IsLive && (ci.RedirectId == "") && (ci.RevId == 0) {
        return "deleted"
    } else if ci.IsLive && (ci.RedirectId != "") {
        return "redirect"
    } else if ci.IsLive && (ci.RedirectId == "") && (ci.RevId != 0) {
        return "active"
    } else if !ci.IsLive && (ci.RedirectId == "") && (ci.RevId != 0) {
        return "wip"
    } else {
        log.Fatalf("Invalid CreatorIdent state: %v", ci)
        panic("fail")
    }
}

////
func NewGetCreatorIDHandler(db *pg.DB) operations.GetCreatorIDHandler {
    return &getCreatorID{db: db}
}
type getCreatorID struct {
    db *pg.DB
}
func (d *getCreatorID) Handle(params operations.GetCreatorIDParams) middleware.Responder {
    // "get or 404" using params.ID. join creator_ident and creator_rev.
    // populate result data
    // return that
    db_entity_ident := &CreatorIdent{}
    err := d.db.Model(db_entity_ident).
        Column("creator_ident.*", "Rev").
        Where("creator_ident.id = ?", swag.StringValue(&params.ID)).
        First()
    if err == pg.ErrNoRows {
        return operations.NewGetCreatorIDNotFound().WithPayload(&models.Error{Message: swag.String("no such entity")})
    } else if err != nil {
        log.Fatal(err)
    }
    api_entity := &models.CreatorEntity{
        Ident: &db_entity_ident.Id,
        State: swag.String(db_entity_ident.State()),
        Name: swag.String(db_entity_ident.Rev.Name),
        Orcid: db_entity_ident.Rev.Orcid,
    }
    return operations.NewGetCreatorIDOK().WithPayload(api_entity)
}

////
func NewGetCreatorLookupHandler(db *pg.DB) operations.GetCreatorLookupHandler {
    return &getCreatorLookup{db: db}
}
type getCreatorLookup struct {
    db *pg.DB
}
func (d *getCreatorLookup) Handle(params operations.GetCreatorLookupParams) middleware.Responder {
    // get-or-create editgroup based on current editor (session)
    // insert new rev, ident, and edit
    return middleware.NotImplemented("operation .GetCreatorLookup has not yet been implemented")
}

////
func NewPostCreatorHandler(db *pg.DB) operations.PostCreatorHandler {
    return &postCreator{db: db}
}
type postCreator struct {
    db *pg.DB
}
func (d *postCreator) Handle(params operations.PostCreatorParams) middleware.Responder {
    // get-or-create editgroup based on current editor (session)
    // insert new rev, ident, and edit
    return middleware.NotImplemented("operation .PostCreatorID has not yet been implemented")
}