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model_draw_links.go
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/
model_draw_links.go
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package wasabee
import (
"database/sql"
"math"
"strconv"
"strings"
)
// LinkID wrapper to ensure type safety
type LinkID string
// Link is defined by the Wasabee IITC plugin.
type Link struct {
ID LinkID `json:"ID"`
From PortalID `json:"fromPortalId"`
To PortalID `json:"toPortalId"`
Desc string `json:"description"`
AssignedTo GoogleID `json:"assignedTo"`
Iname string `json:"assignedToNickname"`
ThrowOrder int32 `json:"throwOrderPos"`
Completed bool `json:"completed"`
Color string `json:"color"`
}
// insertLink adds a link to the database
func (opID OperationID) insertLink(l Link) error {
if l.To == l.From {
Log.Debug("source and destination the same, ignoring link")
return nil
}
l.Color = OpValidColor(l.Color)
_, err := db.Exec("INSERT INTO link (ID, fromPortalID, toPortalID, opID, description, gid, throworder, completed, color) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
l.ID, l.From, l.To, opID, MakeNullString(l.Desc), MakeNullString(l.AssignedTo), l.ThrowOrder, l.Completed, l.Color)
if err != nil {
Log.Error(err)
return err
}
return nil
}
func (opID OperationID) deleteLink(lid LinkID) error {
_, err := db.Exec("DELETE FROM link WHERE OpID = ? and ID = ?", opID, lid)
if err != nil {
Log.Error(err)
return err
}
return nil
}
func (opID OperationID) updateLink(l Link) error {
if l.To == l.From {
Log.Debug("source and destination the same, ignoring link")
return nil
}
l.Color = OpValidColor(l.Color)
_, err := db.Exec("INSERT INTO link (ID, fromPortalID, toPortalID, opID, description, gid, throworder, completed, color) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE fromPortalID = ?, toPortalID = ?, description = ?, color=?",
l.ID, l.From, l.To, opID, MakeNullString(l.Desc), MakeNullString(l.AssignedTo), l.ThrowOrder, l.Completed, l.Color,
l.From, l.To, MakeNullString(l.Desc), l.Color)
if err != nil {
Log.Error(err)
return err
}
return nil
}
// PopulateLinks fills in the Links list for the Operation. No authorization takes place.
func (o *Operation) PopulateLinks() error {
var tmpLink Link
var description, gid, iname sql.NullString
rows, err := db.Query("SELECT l.ID, l.fromPortalID, l.toPortalID, l.description, l.gid, l.throworder, l.completed, a.iname, l.color FROM link=l LEFT JOIN agent=a ON l.gid=a.gid WHERE l.opID = ? ORDER BY l.throworder", o.ID)
if err != nil {
Log.Error(err)
return err
}
defer rows.Close()
for rows.Next() {
err := rows.Scan(&tmpLink.ID, &tmpLink.From, &tmpLink.To, &description, &gid, &tmpLink.ThrowOrder, &tmpLink.Completed, &iname, &tmpLink.Color)
if err != nil {
Log.Error(err)
continue
}
if description.Valid {
tmpLink.Desc = description.String
} else {
tmpLink.Desc = ""
}
if gid.Valid {
tmpLink.AssignedTo = GoogleID(gid.String)
} else {
tmpLink.AssignedTo = ""
}
if iname.Valid {
tmpLink.Iname = iname.String
} else {
tmpLink.Iname = ""
}
o.Links = append(o.Links, tmpLink)
}
return nil
}
// String returns the string version of a LinkID
func (l LinkID) String() string {
return string(l)
}
// AssignLink assigns a link to an agent, sending them a message that they have an assignment
func (o *Operation) AssignLink(linkID LinkID, gid GoogleID) error {
if gid == "0" {
gid = ""
}
_, err := db.Exec("UPDATE link SET gid = ? WHERE ID = ? AND opID = ?", MakeNullString(gid), linkID, o.ID)
if err != nil {
Log.Error(err)
return err
}
/*
if gid.String() != "" {
link := struct {
OpID OperationID
LinkID LinkID
}{
OpID: o.ID,
LinkID: linkID,
}
msg, err := gid.ExecuteTemplate("assignLink", link)
if err != nil {
Log.Error(err)
msg = fmt.Sprintf("assigned a marker for op %s", o.ID)
// do not report send errors up the chain, just log
}
_, err = gid.SendMessage(msg)
if err != nil {
Log.Error(err)
// do not report send errors up the chain, just log
}
}
*/
if gid.String() != "" {
o.ID.firebaseAssignLink(gid, linkID)
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
return nil
}
// LinkDescription updates the description for a link
func (o *Operation) LinkDescription(linkID LinkID, desc string) error {
_, err := db.Exec("UPDATE link SET description = ? WHERE ID = ? AND opID = ?", MakeNullString(desc), linkID, o.ID)
if err != nil {
Log.Error(err)
return err
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
return nil
}
// LinkCompleted updates the completed flag for a link
func (o *Operation) LinkCompleted(linkID LinkID, completed bool) error {
_, err := db.Exec("UPDATE link SET completed = ? WHERE ID = ? AND opID = ?", completed, linkID, o.ID)
if err != nil {
Log.Error(err)
return err
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
o.firebaseLinkStatus(linkID, completed)
return nil
}
// AssignedTo checks to see if a link is assigned to a particular agent
func (opID OperationID) AssignedTo(link LinkID, gid GoogleID) bool {
var x int
err := db.QueryRow("SELECT COUNT(*) FROM link WHERE opID = ? AND ID = ? AND gid = ?", opID, link, gid).Scan(&x)
if err != nil {
Log.Error(err)
return false
}
if x != 1 {
return false
}
return true
}
// LinkOrder changes the order of the throws for an operation
func (o *Operation) LinkOrder(order string, gid GoogleID) error {
// check isowner (already done in http/pdraw.go, but there may be other callers in the future
stmt, err := db.Prepare("UPDATE link SET throworder = ? WHERE opID = ? AND ID = ?")
if err != nil {
Log.Error(err)
return err
}
pos := 1
links := strings.Split(order, ",")
for i := range links {
if links[i] == "000" { // the header, could be anyplace in the order if the user was being silly
continue
}
if _, err := stmt.Exec(pos, o.ID, links[i]); err != nil {
Log.Error(err)
continue
}
pos++
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
return nil
}
// LinkColor changes the color of a link in an operation
func (o *Operation) LinkColor(link LinkID, color string) error {
checked := OpValidColor(color)
_, err := db.Exec("UPDATE link SET color = ? WHERE ID = ? and opID = ?", checked, link, o.ID)
if err != nil {
Log.Error(err)
return err
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
return nil
}
// LinkSwap changes the direction of a link in an operation
func (o *Operation) LinkSwap(link LinkID) error {
var tmpLink Link
err := db.QueryRow("SELECT fromPortalID, toPortalID FROM link WHERE opID = ? AND ID = ?", o.ID, link).Scan(&tmpLink.From, &tmpLink.To)
if err != nil {
Log.Error(err)
return err
}
_, err = db.Exec("UPDATE link SET fromPortalID = ?, toPortalID = ? WHERE ID = ? and opID = ?", tmpLink.To, tmpLink.From, link, o.ID)
if err != nil {
Log.Error(err)
return err
}
if err = o.Touch(); err != nil {
Log.Error(err)
}
return nil
}
// Distance calculates the distance between to lat/long pairs
func Distance(startLat, startLon, endLat, endLon string) float64 {
sl, _ := strconv.ParseFloat(startLat, 64)
startrl := math.Pi * sl / 180.0
el, _ := strconv.ParseFloat(endLat, 64)
endrl := math.Pi * el / 180.0
t, _ := strconv.ParseFloat(startLon, 64)
th, _ := strconv.ParseFloat(endLon, 64)
rt := math.Pi * (t - th) / 180.0
dist := math.Sin(startrl)*math.Sin(endrl) + math.Cos(startrl)*math.Cos(endrl)*math.Cos(rt)
if dist > 1 {
dist = 1
}
dist = math.Acos(dist)
dist = dist * 180 / math.Pi
dist = dist * 60 * 1.1515 * 1.609344
return dist * 1000
}
// MinPortalLevel calculates the minimum portal level to make a link.
// It needs to be extended to calculate required mods
func MinPortalLevel(distance float64, agents int, allowmods bool) float64 {
if distance < 160.0 {
return 1.000
}
if distance > 6553000.0 {
// link amp required
return 8.0
}
m := (fourthroot(distance)) / (2 * fourthroot(10))
return m
}
func fourthroot(a float64) float64 {
return math.Pow(math.E, math.Log(a)/4.0)
}