auth

Paddy 2015-07-13 Parent:6f473576c6ae

177:5d52b9d83184 Go to Latest

auth/session_postgres.go

Add notes about model events. We need to sensibly trigger events about models, so I left some basic notes about triggering an event when a Profile is created.

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paddy@154 1 package auth
paddy@154 2
paddy@154 3 import (
paddy@154 4 "time"
paddy@154 5
paddy@154 6 "code.secondbit.org/uuid.hg"
paddy@154 7
paddy@154 8 "github.com/lib/pq"
paddy@154 9 "github.com/secondbit/pan"
paddy@154 10 )
paddy@154 11
paddy@154 12 func (s Session) GetSQLTableName() string {
paddy@154 13 return "sessions"
paddy@154 14 }
paddy@154 15
paddy@154 16 func (p *postgres) createSessionSQL(session Session) *pan.Query {
paddy@154 17 fields, values := pan.GetFields(session)
paddy@154 18 query := pan.New(pan.POSTGRES, "INSERT INTO "+pan.GetTableName(session))
paddy@154 19 query.Include("(" + pan.QueryList(fields) + ")")
paddy@154 20 query.Include("VALUES")
paddy@154 21 query.Include("("+pan.VariableList(len(values))+")", values...)
paddy@154 22 return query.FlushExpressions(" ")
paddy@154 23 }
paddy@154 24
paddy@154 25 func (p *postgres) createSession(session Session) error {
paddy@154 26 query := p.createSessionSQL(session)
paddy@154 27 _, err := p.db.Exec(query.String(), query.Args...)
paddy@154 28 if e, ok := err.(*pq.Error); ok && e.Constraint == "sessions_pkey" {
paddy@154 29 err = ErrSessionAlreadyExists
paddy@154 30 }
paddy@154 31 return err
paddy@154 32 }
paddy@154 33
paddy@154 34 func (p *postgres) getSessionSQL(id string) *pan.Query {
paddy@154 35 var session Session
paddy@154 36 fields, _ := pan.GetFields(session)
paddy@154 37 query := pan.New(pan.POSTGRES, "SELECT "+pan.QueryList(fields)+" FROM "+pan.GetTableName(session))
paddy@154 38 query.IncludeWhere()
paddy@154 39 query.Include(pan.GetUnquotedColumn(session, "ID")+" = ?", id)
paddy@154 40 return query.FlushExpressions(" ")
paddy@154 41 }
paddy@154 42
paddy@154 43 func (p *postgres) getSession(id string) (Session, error) {
paddy@154 44 query := p.getSessionSQL(id)
paddy@154 45 rows, err := p.db.Query(query.String(), query.Args...)
paddy@154 46 if err != nil {
paddy@154 47 return Session{}, err
paddy@154 48 }
paddy@154 49 var session Session
paddy@154 50 var found bool
paddy@154 51 for rows.Next() {
paddy@154 52 err := pan.Unmarshal(rows, &session)
paddy@154 53 if err != nil {
paddy@154 54 return session, err
paddy@154 55 }
paddy@154 56 found = true
paddy@154 57 }
paddy@154 58 if err = rows.Err(); err != nil {
paddy@154 59 return session, err
paddy@154 60 }
paddy@154 61 if !found {
paddy@154 62 return session, ErrSessionNotFound
paddy@154 63 }
paddy@154 64 return session, nil
paddy@154 65 }
paddy@154 66
paddy@159 67 func (p *postgres) terminateSessionSQL(id string) *pan.Query {
paddy@159 68 var session Session
paddy@159 69 query := pan.New(pan.POSTGRES, "UPDATE "+pan.GetTableName(session)+" SET")
paddy@159 70 query.Include(pan.GetUnquotedColumn(session, "Active")+" = ?", false)
paddy@159 71 query.IncludeWhere()
paddy@159 72 query.Include(pan.GetUnquotedColumn(session, "ID")+" = ?", id)
paddy@159 73 return query.FlushExpressions(" ")
paddy@159 74 }
paddy@159 75
paddy@159 76 func (p *postgres) terminateSession(id string) error {
paddy@159 77 query := p.terminateSessionSQL(id)
paddy@159 78 res, err := p.db.Exec(query.String(), query.Args...)
paddy@159 79 if err != nil {
paddy@159 80 return err
paddy@159 81 }
paddy@159 82 rows, err := res.RowsAffected()
paddy@159 83 if err != nil {
paddy@159 84 return err
paddy@159 85 }
paddy@159 86 if rows < 1 {
paddy@159 87 return ErrSessionNotFound
paddy@159 88 }
paddy@159 89 return nil
paddy@159 90 }
paddy@159 91
paddy@162 92 func (p *postgres) terminateSessionsByProfileSQL(profile uuid.ID) *pan.Query {
paddy@162 93 var session Session
paddy@162 94 query := pan.New(pan.POSTGRES, "UPDATE "+pan.GetTableName(session)+" SET")
paddy@162 95 query.Include(pan.GetUnquotedColumn(session, "Active")+" = ?", false)
paddy@162 96 query.IncludeWhere()
paddy@162 97 query.Include(pan.GetUnquotedColumn(session, "ProfileID")+" = ?", profile)
paddy@162 98 return query.FlushExpressions(" ")
paddy@162 99 }
paddy@162 100
paddy@162 101 func (p *postgres) terminateSessionsByProfile(profile uuid.ID) error {
paddy@162 102 query := p.terminateSessionsByProfileSQL(profile)
paddy@162 103 res, err := p.db.Exec(query.String(), query.Args...)
paddy@162 104 if err != nil {
paddy@162 105 return err
paddy@162 106 }
paddy@162 107 rows, err := res.RowsAffected()
paddy@162 108 if err != nil {
paddy@162 109 return err
paddy@162 110 }
paddy@162 111 if rows < 1 {
paddy@162 112 return ErrProfileNotFound
paddy@162 113 }
paddy@162 114 return nil
paddy@162 115 }
paddy@162 116
paddy@154 117 func (p *postgres) removeSessionSQL(id string) *pan.Query {
paddy@154 118 var session Session
paddy@154 119 query := pan.New(pan.POSTGRES, "DELETE FROM "+pan.GetTableName(session))
paddy@154 120 query.IncludeWhere()
paddy@154 121 query.Include(pan.GetUnquotedColumn(session, "ID")+" = ?", id)
paddy@154 122 return query.FlushExpressions(" ")
paddy@154 123 }
paddy@154 124
paddy@154 125 func (p *postgres) removeSession(id string) error {
paddy@154 126 query := p.removeSessionSQL(id)
paddy@154 127 res, err := p.db.Exec(query.String(), query.Args...)
paddy@154 128 if err != nil {
paddy@154 129 return err
paddy@154 130 }
paddy@154 131 rows, err := res.RowsAffected()
paddy@154 132 if err != nil {
paddy@154 133 return err
paddy@154 134 }
paddy@154 135 if rows < 1 {
paddy@154 136 return ErrSessionNotFound
paddy@154 137 }
paddy@154 138 return nil
paddy@154 139 }
paddy@154 140
paddy@154 141 func (p *postgres) listSessionsSQL(profile uuid.ID, before time.Time, num int64) *pan.Query {
paddy@154 142 var session Session
paddy@154 143 fields, _ := pan.GetFields(session)
paddy@154 144 query := pan.New(pan.POSTGRES, "SELECT "+pan.QueryList(fields)+" FROM "+pan.GetTableName(session))
paddy@154 145 query.IncludeWhere()
paddy@154 146 query.Include(pan.GetUnquotedColumn(session, "ProfileID")+" = ?", profile)
paddy@154 147 if !before.IsZero() {
paddy@154 148 query.Include(pan.GetUnquotedColumn(session, "Created")+" < ?", before)
paddy@154 149 }
paddy@154 150 query.FlushExpressions(" AND ")
paddy@154 151 if num > 0 {
paddy@154 152 query.IncludeLimit(num)
paddy@154 153 }
paddy@154 154 return query.FlushExpressions(" ")
paddy@154 155 }
paddy@154 156
paddy@154 157 func (p *postgres) listSessions(profile uuid.ID, before time.Time, num int64) ([]Session, error) {
paddy@154 158 query := p.listSessionsSQL(profile, before, num)
paddy@154 159 rows, err := p.db.Query(query.String(), query.Args...)
paddy@154 160 if err != nil {
paddy@154 161 return []Session{}, err
paddy@154 162 }
paddy@154 163 var sessions []Session
paddy@154 164 for rows.Next() {
paddy@154 165 var session Session
paddy@154 166 err := pan.Unmarshal(rows, &session)
paddy@154 167 if err != nil {
paddy@154 168 return sessions, err
paddy@154 169 }
paddy@154 170 sessions = append(sessions, session)
paddy@154 171 }
paddy@154 172 if err = rows.Err(); err != nil {
paddy@154 173 return sessions, err
paddy@154 174 }
paddy@154 175 return sessions, nil
paddy@154 176 }