From 8233b151d9a83aa481ffbbd4cb059ce8b8fac987 Mon Sep 17 00:00:00 2001
From: nwickel <n.wickelmaier@iwm-tuebingen.de>
Date: Tue, 16 Jan 2024 18:51:13 +0100
Subject: [PATCH] Changed how path variable for move events is created

---
 R/add_path.R         | 107 ++++++++++++++++++++++++++++---------------
 R/create_eventlogs.R |  44 +++++++++---------
 2 files changed, 93 insertions(+), 58 deletions(-)

diff --git a/R/add_path.R b/R/add_path.R
index e8eb98a..5b15cb5 100644
--- a/R/add_path.R
+++ b/R/add_path.R
@@ -1,5 +1,8 @@
 ###########################################################################
 add_path_items <- function(subdata) {
+
+  pbapply::pboptions(style = 3, char = "=")
+
   subdata_glossar <- subdata[subdata$item == "glossar", ]
   subdata_glossar$path <- NA
 
@@ -52,6 +55,7 @@ add_path_items <- function(subdata) {
 
 ###########################################################################
 add_path_glossar <- function(subdata, xmlpath) {
+# TODO: I think this needs to be completely redone
 
   pb <- utils::txtProgressBar(min = 0, max = nrow(subdata), initial = NA,
                        style = 3)
@@ -129,62 +133,93 @@ add_path <- function(data, xmlpath, glossar) {
 
 # Add path for moves
 
-add_path_moves <- function(data) {
+add_path_moves <- function(data, cutoff) {
 
   pbapply::pboptions(style = 3, char = "=")
 
-  path_max <- max(data$path, na.rm = TRUE)
+  subdata_item <- split(data, ~ item)
 
-  #subdata_art <- split(data, ~ item)
-  subdata_case <- split(data, ~ case)
-
-  #subdata_list <- split(data, ~ item + case)
-  # --> does not work with complete data set
-  cat("Splitting data...", "\n")
-  subdata_list <- pbapply::pblapply(subdata_case, split, f = ~item)
-  subdata_list <- unlist(subdata_list, recursive = FALSE)
-
-  cat("Adding path...", "\n")
-  subdata_path <- pbapply::pblapply(subdata_list,
-        function(x) {
-          path_max <<- path_max + 1
-          add_path_subdata(x, max_path = path_max)
-        }
-      )
+  subdata_path <- pbapply::pblapply(subdata_item,
+          add_path_subdata, cutoff = cutoff)
 
   out <- dplyr::bind_rows(subdata_path)
   out <- out[order(out$fileId.start, out$date.start, out$timeMs.start), ]
+  # Make path a consecutive number
+  out$path <- as.numeric(factor(out$path, levels = unique(out$path)))
   rownames(out) <- NULL
 
   out
 }
 
 
-add_path_subdata <- function(subdata, max_path) {
-
-  if (nrow(subdata) != 0) {
-
-    if (length(stats::na.omit(unique(subdata$path))) == 1) {
-      subdata[subdata$event == "move", "path"] <- stats::na.omit(unique(subdata$path))
-    } else if (length(stats::na.omit(unique(subdata$path))) > 1) {
-      for (i in 1:nrow(subdata)) {
-        if (subdata$event[i] == "move") {
-          if (i == 1) {
-            subdata$path[i] <- stats::na.omit(unique(subdata$path))[1]
+add_path_subdata <- function(subdata, cutoff) {
+  index_flipCard <- which(subdata$event == "flipCard")
+  current_item <- unique(subdata$item)
+  for (j in seq_along(index_flipCard)) {
+    # forwards pass
+    if (j < max(seq_along(index_flipCard))) {
+      for (i in seq(index_flipCard[j], index_flipCard[j + 1])) {
+        if (subdata$event[i] == "move" & !is.na(subdata$date.stop[index_flipCard[j]])) {
+            timediff <- difftime(subdata$date.start[i],
+                                 subdata$date.stop[index_flipCard[j]],
+                                 units = "secs")
+          if (timediff <= cutoff){
+            subdata$path[i] <- subdata$path[index_flipCard[j]]
           } else {
-            subdata$path[i] <- subdata$path[i - 1]
+            subdata$path[i] <- paste(current_item, "mv", j, sep = "_")
           }
         }
       }
-    } else if (all(is.na(subdata$path))) {
-      for (i in 1:nrow(subdata)) {
-        subdata$path[i] <- max_path
+    } else {
+      for (i in seq(index_flipCard[j], nrow(subdata))) {
+        if (subdata$event[i] == "move" & (!is.na(subdata$date.stop[index_flipCard[j]]))) {
+            timediff <- difftime(subdata$date.start[i],
+                                 subdata$date.stop[index_flipCard[j]],
+                                 units = "secs")
+          if (timediff <= cutoff) {
+            subdata$path[i] <- subdata$path[index_flipCard[j]]
+          } else {
+            subdata$path[i] <- paste(current_item, "mv", j, sep = "_")
+          }
+        }
+      }
+    }
+    # backwards pass
+    if (j > min(seq_along(index_flipCard))) {
+      for (i in seq(index_flipCard[j - 1], index_flipCard[j])) {
+        if (grepl("mv", subdata$path[i])) {
+          timediff <- difftime(subdata$date.start[index_flipCard[j]],
+                               subdata$date.stop[i],
+                               units = "secs")
+          if (timediff <= cutoff){
+            subdata$path[i] <- subdata$path[index_flipCard[j]]
+          } else {
+            subdata$path[i] <- paste(current_item, "mv", j, sep = "_")
+          }
+        }
       }
     }
-
-  } else {
-    warning("subdata has nrow = 0")
   }
+  # fix moves with same path and timediff > cutoff
+  subdata_moves <- split(subdata, ~ path)
+
+  check_moves <- function(subsubdata, cutoff) {
+    if (any(grepl("mv", subsubdata$path))) {
+      for (i in seq_len(nrow(subsubdata) - 1)) {
+        timediff <- difftime(subsubdata$date.start[i + 1], subsubdata$date.stop[i],
+                             units = "secs")
+        if (timediff > cutoff) {
+          subsubdata$path[i + 1] <- paste(subsubdata$path[i], i, "new", sep = "_")
+        } else {
+          subsubdata$path[i + 1] <- subsubdata$path[i]
+        }
+      }
+    }
+  subsubdata
+  }
+
+  subdata_path <- lapply(subdata_moves, check_moves, cutoff = cutoff)
+  subdata <- dplyr::bind_rows(subdata_path)
   subdata
 }
 
diff --git a/R/create_eventlogs.R b/R/create_eventlogs.R
index cf03160..058fcd6 100644
--- a/R/create_eventlogs.R
+++ b/R/create_eventlogs.R
@@ -54,10 +54,14 @@ create_eventlogs <- function(data, xmlpath = NULL, case_cutoff = 20,
 
   dat2 <- dat2[order(dat2$fileId.start, dat2$date.start, dat2$timeMs.start), ]
 
+  # Add path for move events ##############################################
+  cat("\n\n########## Adding path variable for move events... ##########", "\n")
+  dat3 <- add_path_moves(dat2)
+
   # Add case variable ######################################################
-  cat("\n########## Adding case and eventId variables... ##########", "\n\n")
-  dat3 <- add_case(dat2, cutoff = case_cutoff)
-  dat3 <- dat3[, c("fileId.start", "fileId.stop", "date.start",
+  cat("\n########## Adding case variable... ##########", "\n\n")
+  dat4 <- add_case(dat3, cutoff = case_cutoff)
+  dat4 <- dat4[, c("fileId.start", "fileId.stop", "date.start",
                    "date.stop", "folder", "case", "path", "glossar",
                    "event", "item", "timeMs.start", "timeMs.stop",
                    "duration", "topic", "popup", "x.start", "y.start",
@@ -65,11 +69,6 @@ create_eventlogs <- function(data, xmlpath = NULL, case_cutoff = 20,
                    "scale.stop", "scaleSize", "rotation.start",
                    "rotation.stop", "rotationDegree")]
 
-  # Add path for move events ##############################################
-  cat("\n\n########## Adding path variable for move events... ##########", "\n")
-  dat4 <- add_path_moves(dat3)
-
-
   # Fix durations that span more than one log file #########################
   levels_fId <- sort(unique(c(dat4$fileId.start, dat4$fileId.stop)))
   dat4$fIdNum.start <- factor(dat4$fileId.start, levels = levels_fId)
@@ -92,20 +91,22 @@ create_eventlogs <- function(data, xmlpath = NULL, case_cutoff = 20,
   dat4$fIdDiff      <- NULL
 
   # Remove fragmented paths ###############################################
-  tab <- stats::xtabs( ~ path + event, dat4)
+  # tab <- stats::xtabs( ~ path + event, dat4)
 
-  fragments <- NULL
+  # fragments <- NULL
 
-  for (i in seq_len(nrow(tab))) {
-    if (tab[i, "openPopup"] != 0 & tab[i, "flipCard"] == 0) {
-      fragments <- c(fragments, rownames(tab)[i])
-    } else if (tab[i, "openTopic"] != 0 & tab[i, "flipCard"] == 0) {
-      fragments <- c(fragments, rownames(tab)[i])
-    } else if (tab[i, "openPopup"] != 0 & tab[i, "openTopic"] == 0) {
-      fragments <- c(fragments, rownames(tab)[i])
-    }
-  }
-  dat5 <- dat4[!dat4$path %in% fragments, ]
+  # for (i in seq_len(nrow(tab))) {
+  #   if (tab[i, "openPopup"] != 0 & tab[i, "flipCard"] == 0) {
+  #     fragments <- c(fragments, rownames(tab)[i])
+  #   } else if (tab[i, "openTopic"] != 0 & tab[i, "flipCard"] == 0) {
+  #     fragments <- c(fragments, rownames(tab)[i])
+  #   } else if (tab[i, "openPopup"] != 0 & tab[i, "openTopic"] == 0) {
+  #     fragments <- c(fragments, rownames(tab)[i])
+  #   }
+  # }
+  # dat5 <- dat4[!dat4$path %in% fragments, ]
+  # TODO: Decide if I want this or not - are all these log errors?
+  dat5 <- dat4
 
   if (glossar) {
     # Check for wrong order of events: flipCard -> openPopup -> openTopic
@@ -126,8 +127,7 @@ create_eventlogs <- function(data, xmlpath = NULL, case_cutoff = 20,
     dat7$glossar <- NULL
   }
 
-  if (save) save(dat, dat1, dat2, dat3, dat4, dat5, dat7, file = "../data/tmp_intermediate-df.RData")
-
+  if (save) save(dat, dat1, dat2, dat3, dat4, dat5, dat7, file = "results/tmp_intermediate-df.RData")
   dat7
 }