remove chart-sample2.lua

samples/chart-sample2.lua

@@ -1,39 +0,0 @@
-local api_url = "https://api.covid19api.com/country/ru?from=2021-07-01T00:00:00Z&to=2021-07-31T00:00:00Z"
-
-local tab = {}
-
-function on_alarm()
-    http:get(api_url)
-end
-
-function on_network_result(result)
-    tab = get_tab_ajson(result)
-    ui:show_chart(tab, "x:date y:number")
-end
-
-function totime(str)
-    local y,m,d = str:match("(%d+)-(%d+)-(%d+)")
-    return os.time{year=y, month=m, day=d}*1000
-end
-
-function get_tab_ajson(result)
-    local tab = {}
-    local dat = ajson:get_value(result, "array object:0 string:Date")
-    local conf = ajson:get_value(result, "array object:0 int:Confirmed")
-    local prev_conf = conf
-    local new = conf - prev_conf
-    tab[1] = {totime(dat), new}
-    local i = 1
-    while true do
-        dat = ajson:get_value(result, "array object:"..i.." string:Date")
-        if dat:match("Error") == "Error" then
-            break
-        end
-        conf = ajson:get_value(result, "array object:"..i.." int:Confirmed")
-        new = conf - prev_conf
-        prev_conf = conf
-        tab[i] = {totime(dat), new}
-        i = i+1
-    end
-    return tab
-end