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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,22 @@ | ||
| #' .. content for \description{} (no empty lines) .. | ||
| #' | ||
| #' .. content for \details{} .. | ||
| #' | ||
| #' @title | ||
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| #' @return | ||
| #' @author Emma Mendelsohn | ||
| #' @export | ||
| get_modis_ndvi_token <- function() { | ||
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| secret <- base64_enc(paste(Sys.getenv("APPEEARS_USERNAME"), Sys.getenv("APPEEARS_PASSWORD"), sep = ":")) #TODO make project auth | ||
| token_response <- POST("https://appeears.earthdatacloud.nasa.gov/api/login", | ||
| add_headers("Authorization" = paste("Basic", gsub("\n", "", secret)), | ||
| "Content-Type" = "application/x-www-form-urlencoded;charset=UTF-8"), | ||
| body = "grant_type=client_credentials") | ||
| token_response <- prettify(toJSON(content(token_response), auto_unbox = TRUE)) | ||
| token <- paste("Bearer", fromJSON(token_response)$token) | ||
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| return(token) | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| #' .. content for \description{} (no empty lines) .. | ||
| #' | ||
| #' .. content for \details{} .. | ||
| #' | ||
| #' @title | ||
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||
| #' @return | ||
| #' @author Emma Mendelsohn | ||
| #' @export | ||
| submit_modis_ndvi_request <- function(modis_ndvi_start_year, modis_ndvi_end_year, continent_bounding_box, modis_ndvi_token) { | ||
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| token <- modis_ndvi_token | ||
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| # create the task list | ||
| task <- list(task_type = "area", | ||
| task_name = "modis_ndvi_africa", | ||
| startDate = paste0("01-01-", modis_ndvi_start_year), | ||
| endDate = paste0("12-31-", modis_ndvi_end_year), | ||
| layer = "MOD13A2.061,_1_km_16_days_NDVI", | ||
| file_type = "geotiff", | ||
| projection_name = "native", | ||
| bbox = paste(continent_bounding_box, collapse = ",")) | ||
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| # post the task request | ||
| task_response <- POST("https://appeears.earthdatacloud.nasa.gov/api/task", query = task, add_headers(Authorization = token)) | ||
| task_response <- prettify(toJSON(content(task_response), auto_unbox = TRUE)) | ||
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| # get the associated bundle | ||
| task_id <- fromJSON(task_response)$task_id | ||
| bundle_response <- GET(paste("https://appeears.earthdatacloud.nasa.gov/api/bundle/", task_id, sep = ""), add_headers(Authorization = token)) | ||
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| #TODO in progress | ||
| bundle_response <- prettify(toJSON(content(response), auto_unbox = TRUE)) | ||
| bundle_response <- fromJSON(bundle_response) | ||
| bundle_response$files$file_id | ||
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| } |
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