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Merge pull request #40 from angelina-momin/feature-venue-sorted-register
Add feature to filter register by venue
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| #' Creates filtered register csv files | ||
| #' | ||
| #' Each csv file is saved in the appropriate output_dir. | ||
| #' | ||
| #' @param filter_by A vector of strings specifying the names of the columns to filter by. | ||
| #' @param register A dataframe representing the register data to be filtered. | ||
| create_filtered_register_csvs <- function(filter_by, register){ | ||
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|
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| for (filter in filter_by){ | ||
| column_name <- determine_filter_column_name(filter) | ||
| unique_values <- unique(register[[column_name]]) | ||
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| for (value in unique_values) { | ||
| filtered_register <- register[register[[column_name]]==value, ] | ||
| output_dir <- paste0(get_output_dir(filter, value), "register.csv") | ||
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| if (!dir.exists(dirname(output_dir))) { | ||
| dir.create(dirname(output_dir), recursive = TRUE, showWarnings = TRUE) | ||
| } | ||
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| write.csv(filtered_register, output_dir, row.names=FALSE) | ||
| } | ||
| } | ||
| } | ||
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| #' Determines the register table's column name to filter the data by. | ||
| #' | ||
| #' @param filter The filter name | ||
| #' @return The column name to filter by | ||
| determine_filter_column_name <- function(filter) { | ||
| filter_column_name <- switch(filter, | ||
| "venues" = "Type", | ||
| NULL # Default case is set to NULL | ||
| ) | ||
| if (is.null(filter_column_name)) { | ||
| stop(paste("Filter", filter, "is not recognized.")) | ||
| } | ||
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| return(filter_column_name) | ||
| } | ||
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| #' Gets the output dir depending on the filter name and the value of the filtered column | ||
| #' | ||
| #' @param filter The filter name | ||
| #' @param column_value The value of the column the filter applies to | ||
| #' @return The directory to save files to | ||
| get_output_dir <- function(filter, column_value) { | ||
| if (filter=="none"){ | ||
| return(paste0("docs/")) | ||
| } | ||
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| else if (filter=="venues"){ | ||
| venue_category <- determine_venue_category(column_value) | ||
| # In case the venue_category itself has no further subgroups we do not need subgroups | ||
| if (venue_category==tolower(column_value)){ | ||
| return(paste0("docs/", filter, "/", gsub(" ", "_", venue_category), "/")) | ||
| } | ||
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| # Removing the venue category to obtain the venue name and replace the brackets | ||
| venue_name <- trimws(gsub("[()]", "", gsub(venue_category, "", column_value))) | ||
| venue_name <- gsub(" ", "_", venue_name) | ||
| return(paste0("docs/", filter, "/", venue_category, "/", venue_name, "/")) } | ||
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| else{ | ||
| return(paste0("docs/", filter, "/", gsub(" ", "_", tolower(column_value)), "/")) | ||
| } | ||
| } | ||
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| #' Determines the venue category based on the venue_name | ||
| #' | ||
| #' @param venue_name The venue_name obtained from the "Type" column of the register | ||
| #' @return The venue category. If the venue does not belong to any category the venue_name is returned | ||
| determine_venue_category <- function(venue_name){ | ||
| list_venue_categories <- CONFIG$FILTER_SUB_GROUPS[["venues"]] | ||
| for (category in list_venue_categories){ | ||
| if (grepl(category, venue_name, ignore.case=TRUE)) { | ||
| return(category) | ||
| } | ||
| } | ||
| warning(paste("Register venue", venue_name, "does not fall into any of the following venue categories:", toString(list_venue_categories))) | ||
| return(venue_name) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| #' Function for adding filtered register tables to a list based on specified filters. | ||
| #' Each entry in the resulting list is a filtered register table by the filter type provided. | ||
| #' | ||
| #' @param list_register_tables A list to store the filtered tables | ||
| #' @param register_table The register table to filter | ||
| #' @param filter_by A vector of strings specifying the filter types | ||
| #' @return A list of filtered register tables | ||
| add_filtered_register_tables <- function(list_register_tables, register_table, filter_by) { | ||
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| for (filter in filter_by){ | ||
| list_register_tables[[filter]] <- create_filtered_register_tables(register_table, filter) | ||
| } | ||
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| return(list_register_tables) | ||
| } | ||
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| #' Function for creating a list of register tables that is filtered based on the filter type. | ||
| #' Each entry in the resulting list is the filtered register table with index corresponding to unique values in that column. | ||
| #' | ||
| #' @param register_table The register table | ||
| #' @param filter The filter name | ||
| #' @return A list of filtered register tables | ||
| create_filtered_register_tables <- function(register_table, filter) { | ||
| list_filtered_register_tables <- list() | ||
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| filter_column_name <- determine_filter_column_name(filter) | ||
| unique_values <- unique(register_table[[filter_column_name]]) | ||
| # Loop over the unique values. We create a sorted table for each value | ||
| for (value in unique_values) { | ||
| filtered_table <- register_table[register_table[[filter_column_name]]==value, ] | ||
| rownames(filtered_table) <- NULL # Reset row names to remove row numbers | ||
| list_filtered_register_tables[[value]] <- filtered_table | ||
| } | ||
|
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| return(list_filtered_register_tables) | ||
| } |
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