inital commit

8 files changed, 1230 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bc88ec7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+bin/
+pkg/
+src/github.com
+src/code.helsinki.at
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..980ce2f
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1 @@
+Christian Pointner <equinox@helsinki.at>
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f19256d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,695 @@
+/*
+ *  pool-import
+ *
+ *
+ *  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+ *
+ *  This file is part of pool-import.
+ *
+ *  pool-import is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  pool-import is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+ */
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b7e1fa2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,61 @@
+##
+##  pool-import
+##
+##  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+##
+##  This file is part of pool-import.
+##
+##  pool-import is free software: you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation, either version 3 of the License, or
+##  any later version.
+##
+##  pool-import is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+##
+
+curdir:= $(shell pwd)
+GOCMD := GOPATH=$(curdir) go
+
+EXECUTEABLE := pool-import
+
+LIBS := "github.com/vaughan0/go-ini" \
+        "github.com/ziutek/mymysql/godrv" \
+		   	"code.helsinki.at/rhrd-go/rhimport" \
+		   	"code.helsinki.at/rhrd-go/rddb"
+
+
+.PHONY: getlibs updatelibs vet format build clean distclean
+all: build
+
+
+getlibs:
+	@$(foreach lib,$(LIBS), echo "fetching lib: $(lib)"; $(GOCMD) get $(lib);)
+
+updatelibs:
+	@$(foreach lib,$(LIBS), echo "updating lib: $(lib)"; $(GOCMD) get -u $(lib);)
+
+vet:
+	@echo "vetting: $(EXECUTEABLE)"
+	@$(GOCMD) vet $(EXECUTEABLE)
+
+format:
+	@echo "formating: $(EXECUTEABLE)"
+	@$(GOCMD) fmt $(EXECUTEABLE)
+
+build: getlibs
+	@echo "installing: $(EXECUTEABLE)"
+	@$(GOCMD) install $(EXECUTEABLE)
+
+clean:
+	rm -rf pkg/*/$(EXECUTEABLE)
+	rm -rf bin
+
+distclean: clean
+	@$(foreach dir,$(shell ls src/),$(if $(subst $(EXECUTEABLE),,$(dir)),$(shell rm -rf src/$(dir))))
+	rm -rf pkg
diff --git a/src/pool-import/dbconfig.go b/src/pool-import/dbconfig.go
new file mode 100644
index 0000000..b4733fc
--- /dev/null
+++ b/src/pool-import/dbconfig.go
@@ -0,0 +1,64 @@
+//
+//  pool-import
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of pool-import.
+//
+//  pool-import is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  pool-import is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"github.com/vaughan0/go-ini"
+)
+
+type config struct {
+	configfile string
+	dbHost     string
+	dbUser     string
+	dbPasswd   string
+	dbDb       string
+}
+
+func getIniValue(file ini.File, section string, key string, dflt string) string {
+	value, ok := file.Get(section, key)
+	if ok {
+		return value
+	}
+	return dflt
+}
+
+func (self *config) readConfigFile() error {
+	file, err := ini.LoadFile(self.configfile)
+	if err != nil {
+		return err
+	}
+
+	self.dbHost = getIniValue(file, "mySQL", "Hostname", "localhost")
+	self.dbUser = getIniValue(file, "mySQL", "Loginname", "rivendell")
+	self.dbPasswd = getIniValue(file, "mySQL", "Password", "letmein")
+	self.dbDb = getIniValue(file, "mySQL", "Database", "rivendell")
+	return nil
+}
+
+func newConfig(configfile string) (conf *config, err error) {
+	conf = new(config)
+	conf.configfile = configfile
+	if err = conf.readConfigFile(); err != nil {
+		return
+	}
+	return
+}
diff --git a/src/pool-import/main.go b/src/pool-import/main.go
new file mode 100644
index 0000000..dfa6ab5
--- /dev/null
+++ b/src/pool-import/main.go
@@ -0,0 +1,77 @@
+//
+//  pool-import
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of pool-import.
+//
+//  pool-import is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  pool-import is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"log"
+	"os"
+
+	"code.helsinki.at/rhrd-go/rddb"
+	"code.helsinki.at/rhrd-go/rhimport"
+)
+
+const (
+	NEW_RD_CONF = "/etc/rd.conf"
+	OLD_RD_CONF = "rd.conf"
+)
+
+func main() {
+	if len(os.Args) < 3 {
+		log.Fatal("Usage: pool-import <old pool group> <new pool group>")
+	}
+	old_group := os.Args[1]
+	new_group := os.Args[2]
+
+	impconf, err := rhimport.NewConfig(NEW_RD_CONF, "http://localhost/rd-bin/rdxport.cgi", "/tmp", "snd/")
+	if err != nil {
+		log.Fatal("Error parsing configuration file:", err)
+	}
+
+	newdb, err := rddb.NewDB(NEW_RD_CONF)
+	if err != nil {
+		log.Fatal("Error initializing NEW Rivdenll DB:", err)
+	}
+	defer newdb.Cleanup()
+
+	stdlog := log.New(os.Stderr, "[std] ", log.LstdFlags)
+	dbglog := log.New(os.Stderr, "[dbg] ", log.LstdFlags)
+	sessions, err := rhimport.NewSessionStore(impconf, newdb.GetInterface(), stdlog, dbglog)
+	if err != nil {
+		log.Fatal("Error initializing Session Store:", err)
+	}
+	defer sessions.Cleanup()
+
+	olddb, err := NewDB(OLD_RD_CONF)
+	if err != nil {
+		log.Fatal("Error initializing OLD Rivdenll DB:", err)
+	}
+	defer olddb.Cleanup()
+	olddbi := olddb.GetInterface()
+
+	pool := PoolListEntry{old_group, ""}
+	carts, err := olddbi.GetPoolCartList(pool)
+	if err != nil {
+		log.Fatal("Error fetching Pool cart list:", err)
+	}
+
+	log.Printf("will import: %d carts from old:%s -> new:%s", len(carts), old_group, new_group)
+}
diff --git a/src/pool-import/nulltime.go b/src/pool-import/nulltime.go
new file mode 100644
index 0000000..c87d886
--- /dev/null
+++ b/src/pool-import/nulltime.go
@@ -0,0 +1,100 @@
+//
+//  pool-import
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of pool-import.
+//
+//  pool-import is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  pool-import is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"time"
+)
+
+//
+// This is from github.com/go-sql-driver/mysql
+//
+
+const (
+	timeFormat = "2006-01-02 15:04:05.999999"
+)
+
+// This NullTime implementation is not driver-specific
+type NullTime struct {
+	Time  time.Time
+	Valid bool // Valid is true if Time is not NULL
+}
+
+// Scan implements the Scanner interface.
+// The value type must be time.Time or string / []byte (formatted time-string),
+// otherwise Scan fails.
+func (nt *NullTime) Scan(value interface{}) (err error) {
+	if value == nil {
+		nt.Time, nt.Valid = time.Time{}, false
+		return
+	}
+
+	switch v := value.(type) {
+	case time.Time:
+		nt.Time, nt.Valid = v, true
+		return
+	case []byte:
+		nt.Time, err = parseDateTime(string(v), time.UTC)
+		nt.Valid = (err == nil)
+		return
+	case string:
+		nt.Time, err = parseDateTime(v, time.UTC)
+		nt.Valid = (err == nil)
+		return
+	}
+
+	nt.Valid = false
+	return fmt.Errorf("Can't convert %T to time.Time", value)
+}
+
+// Value implements the driver Valuer interface.
+func (nt NullTime) Value() (driver.Value, error) {
+	if !nt.Valid {
+		return nil, nil
+	}
+	return nt.Time, nil
+}
+
+func parseDateTime(str string, loc *time.Location) (t time.Time, err error) {
+	base := "0000-00-00 00:00:00.0000000"
+	switch len(str) {
+	case 10, 19, 21, 22, 23, 24, 25, 26: // up to "YYYY-MM-DD HH:MM:SS.MMMMMM"
+		if str == base[:len(str)] {
+			return
+		}
+		t, err = time.Parse(timeFormat[:len(str)], str)
+	default:
+		err = fmt.Errorf("invalid time string: %s", str)
+		return
+	}
+
+	// Adjust location
+	if err == nil && loc != time.UTC {
+		y, mo, d := t.Date()
+		h, mi, s := t.Clock()
+		t, err = time.Date(y, mo, d, h, mi, s, t.Nanosecond(), loc), nil
+	}
+
+	return
+}
diff --git a/src/pool-import/rddb.go b/src/pool-import/rddb.go
new file mode 100644
index 0000000..7d2e4c2
--- /dev/null
+++ b/src/pool-import/rddb.go
@@ -0,0 +1,228 @@
+//
+//  pool-import
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of pool-import.
+//
+//  pool-import is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  pool-import is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with pool-import. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/ziutek/mymysql/godrv"
+)
+
+var (
+	mysqlTableNameRe = regexp.MustCompile(`^[_0-9a-zA-Z-]+$`)
+)
+
+const (
+	DB_VERSION       = 182
+	defaultCartTitle = "[new cart]"
+)
+
+type CutListEntry struct {
+	Number      uint
+	Evergreen   bool
+	Description string
+	Duration    time.Duration
+	Imported    NullTime
+	NumPlayed   uint
+	LastPlayed  NullTime
+}
+
+type CartListEntry struct {
+	Number uint
+	Exists bool
+	Artist string
+	Title  string
+	Album  string
+	Cuts   []CutListEntry
+}
+
+type PoolListEntry struct {
+	Group       string
+	Description string
+}
+
+type getPoolCartListResult struct {
+	carts map[uint]CartListEntry
+	err   error
+}
+
+type getPoolCartListRequest struct {
+	pool     PoolListEntry
+	response chan<- getPoolCartListResult
+}
+
+type db struct {
+	conf                *config
+	dbh                 *sql.DB
+	getPoolCartListChan chan getPoolCartListRequest
+	getPoolCartsStmt    *sql.Stmt
+	quit                chan bool
+	done                chan bool
+}
+
+func (d *db) init() (err error) {
+	godrv.Register("SET CHARACTER SET utf8;")
+
+	dsn := fmt.Sprintf("tcp:%s:3306*%s/%s/%s", d.conf.dbHost, d.conf.dbDb, d.conf.dbUser, d.conf.dbPasswd)
+	if d.dbh, err = sql.Open("mymysql", dsn); err != nil {
+		return
+	}
+
+	var dbver int
+	err = d.dbh.QueryRow("select DB from VERSION;").Scan(&dbver)
+	if err != nil {
+		err = fmt.Errorf("fetching version: %s", err)
+		return
+	}
+	if dbver != DB_VERSION {
+		err = fmt.Errorf("version mismatch is %d, should be %d", dbver, DB_VERSION)
+		return
+	}
+
+	if d.getPoolCartsStmt, err = d.dbh.Prepare("select CART.NUMBER,CART.ARTIST,CART.TITLE,CART.ALBUM,CUTS.CUT_NAME,CUTS.EVERGREEN,CUTS.DESCRIPTION,CUTS.LENGTH,CUTS.ORIGIN_DATETIME,CUTS.PLAY_COUNTER,CUTS.LAST_PLAY_DATETIME from CUTS,CART where CUTS.CART_NUMBER = CART.NUMBER and CART.GROUP_NAME = ?;"); err != nil {
+		return
+	}
+
+	return
+}
+
+func (d *db) getPoolCartList(pool PoolListEntry) (result getPoolCartListResult) {
+	var rows *sql.Rows
+	if rows, result.err = d.getPoolCartsStmt.Query(pool.Group); result.err != nil {
+		return
+	}
+	defer rows.Close()
+
+	result.carts = make(map[uint]CartListEntry)
+	for rows.Next() {
+		var cut CutListEntry
+		var cart, length uint
+		var cutName, evergreen string
+		var artist, title, album sql.NullString
+
+		if result.err = rows.Scan(&cart, &artist, &title, &album, &cutName, &evergreen, &cut.Description, &length, &cut.Imported, &cut.NumPlayed, &cut.LastPlayed); result.err != nil {
+			return
+		}
+
+		parts := strings.Split(cutName, "_")
+		if len(parts) == 2 {
+			if cn, converr := strconv.ParseUint(parts[1], 10, 32); converr != nil {
+				continue
+			} else {
+				cut.Number = uint(cn)
+			}
+		} else {
+			continue
+		}
+		switch evergreen {
+		case "Y":
+			cut.Evergreen = true
+		default:
+			cut.Evergreen = false
+		}
+		cut.Duration = time.Duration(length) * time.Millisecond
+
+		if c, exists := result.carts[cart]; !exists {
+			c = CartListEntry{cart, true, artist.String, title.String, album.String, nil}
+			c.Cuts = append(c.Cuts, cut)
+			result.carts[cart] = c
+		} else {
+			c.Cuts = append(c.Cuts, cut)
+		}
+	}
+	result.err = rows.Err()
+	return
+}
+
+func (d *db) dispatchRequests() {
+	defer func() { d.done <- true }()
+	for {
+		select {
+		case <-d.quit:
+			return
+		case req := <-d.getPoolCartListChan:
+			req.response <- d.getPoolCartList(req.pool)
+		}
+	}
+}
+
+// *********************************************************
+// Public Interface
+
+type DB struct {
+	getPoolCartListChan chan<- getPoolCartListRequest
+}
+
+func (d *DB) GetPoolCartList(pool PoolListEntry) (map[uint]CartListEntry, error) {
+	resCh := make(chan getPoolCartListResult)
+	req := getPoolCartListRequest{}
+	req.pool = pool
+	req.response = resCh
+	d.getPoolCartListChan <- req
+
+	res := <-resCh
+	if res.err != nil {
+		return nil, res.err
+	}
+	return res.carts, nil
+}
+
+func (d *db) GetInterface() *DB {
+	ch := &DB{}
+	ch.getPoolCartListChan = d.getPoolCartListChan
+	return ch
+}
+
+func (d *db) Cleanup() {
+	d.quit <- true
+	<-d.done
+	close(d.quit)
+	close(d.done)
+	if d.dbh != nil {
+		d.dbh.Close()
+	}
+	if d.getPoolCartsStmt != nil {
+		d.getPoolCartsStmt.Close()
+	}
+}
+
+func NewDB(configfile string) (d *db, err error) {
+	d = new(db)
+	if d.conf, err = newConfig(configfile); err != nil {
+		return
+	}
+	d.quit = make(chan bool)
+	d.done = make(chan bool)
+	d.getPoolCartListChan = make(chan getPoolCartListRequest, 10)
+
+	if err = d.init(); err != nil {
+		return
+	}
+
+	go d.dispatchRequests()
+	return
+}