115 lines
3.0 KiB
Plaintext
115 lines
3.0 KiB
Plaintext
sub init()
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m.top.setFocus(true)
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m.backend = m.top.findNode("backend")
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m.status = m.top.findNode("status")
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m.refreshTimer = m.top.findNode("refreshTimer")
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m.cameraPosters = [
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m.top.findNode("poster1"),
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m.top.findNode("poster2"),
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m.top.findNode("poster3"),
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m.top.findNode("poster4")
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]
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m.cameraNodes = [
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m.top.findNode("cam1"),
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m.top.findNode("cam2"),
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m.top.findNode("cam3"),
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m.top.findNode("cam4")
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]
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m.refreshToken = 0
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loadConfig()
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end sub
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sub loadConfig()
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raw = ReadAsciiFile("pkg:/config/cameras.json")
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config = ParseJson(raw)
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if type(config) <> "roAssociativeArray" then
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m.status.text = "Unable to parse cameras.json"
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return
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end if
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m.config = config
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if config.doesExist("backend") and config.backend.doesExist("baseUrl") then
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m.backend.text = "Direct Frigate"
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end if
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if not config.doesExist("cameras") then
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m.status.text = "No cameras found in config"
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return
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end if
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if config.doesExist("backend") and config.backend.doesExist("refreshSeconds") then
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m.refreshTimer.duration = config.backend.refreshSeconds
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end if
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m.refreshTimer.observeField("fire", "onRefreshTimerFire")
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m.refreshTimer.control = "start"
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renderCameras()
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end sub
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sub renderCameras()
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if m.config = invalid or not m.config.doesExist("cameras") then
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return
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end if
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cameras = m.config.cameras
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m.status.text = "Refreshing every " + m.refreshTimer.duration.toStr() + "s"
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for i = 0 to m.cameraNodes.count() - 1
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poster = m.cameraPosters[i]
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node = m.cameraNodes[i]
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if i < cameras.count() then
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camera = cameras[i]
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poster.uri = addCacheBust(buildSnapshotUrl(m.config, camera))
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node.text = camera.name
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else
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poster.uri = ""
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node.text = "Empty slot"
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end if
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end for
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end sub
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sub onRefreshTimerFire()
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m.refreshToken = m.refreshToken + 1
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renderCameras()
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end sub
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function buildSnapshotUrl(config as Object, camera as Object) as String
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if not config.doesExist("backend") or not config.backend.doesExist("baseUrl") then
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return ""
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end if
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baseUrl = config.backend.baseUrl
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path = ""
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if camera.doesExist("snapshotPath") then
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path = camera.snapshotPath
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else if camera.doesExist("frigateCamera") then
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path = "/api/" + camera.frigateCamera + "/latest.jpg"
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else
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return ""
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end if
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if right(baseUrl, 1) = "/" and left(path, 1) = "/" then
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return left(baseUrl, len(baseUrl) - 1) + path
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else if right(baseUrl, 1) <> "/" and left(path, 1) <> "/" then
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return baseUrl + "/" + path
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end if
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return baseUrl + path
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end function
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function addCacheBust(url as String) as String
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token = m.refreshToken.toStr()
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if instr(1, url, "?") > 0 then
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return url + "&cb=" + token
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end if
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return url + "?cb=" + token
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end function
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