97 lines
4.1 KiB
R
Executable File
97 lines
4.1 KiB
R
Executable File
#setup ----
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library(tidyverse)
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library(influxdbclient)
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library(rmarkdown)
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if(Sys.info()[4] == "pseudotsuga") {
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setwd("~/Documents/dataProjects/laundry_status")
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} else {
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setwd("/laundry_status")
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}
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Sys.setenv(TZ='America/Chicago')
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# parameters needed to make connection to Database
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token <- substr(read_file("data/api_key"), 1, 88)
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org = "home_assistant"
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bucket = "home_assistant"
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## make connection to the influxDB bucket
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home_assistant <- InfluxDBClient$new(url = "https://influxdb.dendroalsia.net",
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token = token,
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org = org)
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update_interval <- 5
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cronjob_interval <- 60
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power_threshhold <- 5
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# ---- set variables
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entities <- data.frame(name = c("washing machine", "dryer"), entity_id = c("lamp_a_power", "lamp_b_power"))
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update_data <- function(){
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run_time <- Sys.time()
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values <- home_assistant$query('from(bucket: "home_assistant") |> range(start: -7d) |> filter(fn: (r) => r["entity_id"] == "lamp_b_power" or r["entity_id"] == "lamp_a_power") |> filter(fn: (r) => r["_field"] == "value") |> filter(fn: (r) => r["_measurement"] == "W")',
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POSIXctCol = NULL)
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values <- bind_rows(values)
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values <- values %>%
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rename(value = "_value",
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time = "_time")
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values <- values %>%
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mutate(
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time = as.POSIXct(time, tz = "America/Chicago"),
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status = ifelse(value > power_threshhold, "on", "off"))
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values_by_entity <- as.list(NULL)
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for(entity in entities$entity_id) {
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values_by_entity[[entity]] <- values %>%
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filter(entity_id %in% entity) %>%
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mutate(end_time = c(time[-1], run_time))
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}
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values <- bind_rows(values_by_entity)
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washer_last_on <- values %>% filter(entity_id == entities$entity_id[1], value > power_threshhold) %>% tail(1) %>% pull(end_time)
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washer_last_off <- values %>% filter(entity_id == entities$entity_id[1], value < power_threshhold) %>% tail(1) %>% pull(end_time)
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dryer_last_on <- values %>% filter(entity_id == entities$entity_id[2], value > power_threshhold) %>% tail(1) %>% pull(end_time)
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dryer_last_off <- values %>% filter(entity_id == entities$entity_id[2], value < power_threshhold) %>% tail(1) %>% pull(end_time)
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# ---- generate html
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current_status <- as.list(NULL)
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for (entity in entities$entity_id){
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current_status[[entity]] <- ifelse(values %>% filter(entity_id %in% entity) %>% tail(1) %>% pull(value) > power_threshhold, "on", "off")
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}
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plot_1week <- ggplot(data = values) +
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geom_tile(aes(x = time + seconds(round(as.numeric(difftime(end_time, time, unit = "secs")))/2),
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y = entity_id,
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width = seconds(round(as.numeric(difftime(end_time, time, unit = "secs")))),
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height = 0.5,
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fill = status)) +
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scale_y_discrete(breaks = entities$entity_id, labels = entities$name) +
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scale_x_datetime(date_breaks = "24 hours", date_labels = '%A', date_minor_breaks = "6 hours") +
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theme(axis.text.x = element_text(angle = 30, vjust = 0.5)) +
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labs(title = "The past week",
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x = NULL,
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y = NULL,
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fill = NULL)
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plot_1day <- ggplot(data = values %>% filter(time >= max(values$end_time) - hours(24))) +
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geom_tile(aes(x = time + seconds(round(as.numeric(difftime(end_time, time, unit = "secs")))/2),
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y = entity_id,
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width = seconds(round(as.numeric(difftime(end_time, time, unit = "secs")))),
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height = 0.5,
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fill = status)) +
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scale_y_discrete(breaks = entities$entity_id, labels = entities$name) +
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scale_x_datetime(breaks = seq(round_date(max(values$end_time), "4 hours") - hours(24), round_date(max(values$end_time), "4 hours"), by = "4 hours"), date_labels = '%I:%M %p', date_minor_breaks = "1 hours") +
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theme(axis.text.x = element_text(angle = 30, vjust = 0.5)) +
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labs(title = "Last 24 hours",
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x = NULL,
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y = NULL,
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fill = NULL)
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render("laundry_status.Rmd",
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output_dir = "html",
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output_file = "index.html")
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}
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for(i in 1:(cronjob_interval/update_interval)){
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message(Sys.time())
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update_data()
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Sys.sleep(60*update_interval)
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} |